Trigonometry Examples

${(3 - 3 i)}^{6}$

Step 1

Use the Binomial Theorem.

$3^{6} + 6 \cdot 3^{5} (- 3 i) + 15 \cdot 3^{4} {(- 3 i)}^{2} + 20 \cdot 3^{3} {(- 3 i)}^{3} + 15 \cdot 3^{2} {(- 3 i)}^{4} + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2

Simplify terms.

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Step 2.1

Simplify each term.

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Step 2.1.1

Raise $3$ to the power of $6$ .

$729 + 6 \cdot 3^{5} (- 3 i) + 15 \cdot 3^{4} {(- 3 i)}^{2} + 20 \cdot 3^{3} {(- 3 i)}^{3} + 15 \cdot 3^{2} {(- 3 i)}^{4} + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.2

Raise $3$ to the power of $5$ .

$729 + 6 \cdot 243 (- 3 i) + 15 \cdot 3^{4} {(- 3 i)}^{2} + 20 \cdot 3^{3} {(- 3 i)}^{3} + 15 \cdot 3^{2} {(- 3 i)}^{4} + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.3

Multiply $6$ by $243$ .

$729 + 1458 (- 3 i) + 15 \cdot 3^{4} {(- 3 i)}^{2} + 20 \cdot 3^{3} {(- 3 i)}^{3} + 15 \cdot 3^{2} {(- 3 i)}^{4} + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.4

Multiply $- 3$ by $1458$ .

$729 - 4374 i + 15 \cdot 3^{4} {(- 3 i)}^{2} + 20 \cdot 3^{3} {(- 3 i)}^{3} + 15 \cdot 3^{2} {(- 3 i)}^{4} + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.5

Raise $3$ to the power of $4$ .

$729 - 4374 i + 15 \cdot 81 {(- 3 i)}^{2} + 20 \cdot 3^{3} {(- 3 i)}^{3} + 15 \cdot 3^{2} {(- 3 i)}^{4} + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.6

Multiply $15$ by $81$ .

$729 - 4374 i + 1215 {(- 3 i)}^{2} + 20 \cdot 3^{3} {(- 3 i)}^{3} + 15 \cdot 3^{2} {(- 3 i)}^{4} + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.7

Apply the product rule to $- 3 i$ .

$729 - 4374 i + 1215 ({(- 3)}^{2} i^{2}) + 20 \cdot 3^{3} {(- 3 i)}^{3} + 15 \cdot 3^{2} {(- 3 i)}^{4} + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.8

Raise $- 3$ to the power of $2$ .

$729 - 4374 i + 1215 (9 i^{2}) + 20 \cdot 3^{3} {(- 3 i)}^{3} + 15 \cdot 3^{2} {(- 3 i)}^{4} + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.9

Rewrite $i^{2}$ as $- 1$ .

$729 - 4374 i + 1215 (9 \cdot - 1) + 20 \cdot 3^{3} {(- 3 i)}^{3} + 15 \cdot 3^{2} {(- 3 i)}^{4} + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.10

Multiply $1215 (9 \cdot - 1)$ .

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Step 2.1.10.1

Multiply $9$ by $- 1$ .

$729 - 4374 i + 1215 \cdot - 9 + 20 \cdot 3^{3} {(- 3 i)}^{3} + 15 \cdot 3^{2} {(- 3 i)}^{4} + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.10.2

Multiply $1215$ by $- 9$ .

$729 - 4374 i - 10935 + 20 \cdot 3^{3} {(- 3 i)}^{3} + 15 \cdot 3^{2} {(- 3 i)}^{4} + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.11

Raise $3$ to the power of $3$ .

$729 - 4374 i - 10935 + 20 \cdot 27 {(- 3 i)}^{3} + 15 \cdot 3^{2} {(- 3 i)}^{4} + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.12

Multiply $20$ by $27$ .

$729 - 4374 i - 10935 + 540 {(- 3 i)}^{3} + 15 \cdot 3^{2} {(- 3 i)}^{4} + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.13

Apply the product rule to $- 3 i$ .

$729 - 4374 i - 10935 + 540 ({(- 3)}^{3} i^{3}) + 15 \cdot 3^{2} {(- 3 i)}^{4} + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.14

Raise $- 3$ to the power of $3$ .

$729 - 4374 i - 10935 + 540 (- 27 i^{3}) + 15 \cdot 3^{2} {(- 3 i)}^{4} + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.15

Factor out $i^{2}$ .

$729 - 4374 i - 10935 + 540 (- 27 (i^{2} \cdot i)) + 15 \cdot 3^{2} {(- 3 i)}^{4} + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.16

Rewrite $i^{2}$ as $- 1$ .

$729 - 4374 i - 10935 + 540 (- 27 (- 1 \cdot i)) + 15 \cdot 3^{2} {(- 3 i)}^{4} + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.17

Rewrite $- 1 i$ as $- i$ .

$729 - 4374 i - 10935 + 540 (- 27 (- i)) + 15 \cdot 3^{2} {(- 3 i)}^{4} + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.18

Multiply $- 1$ by $- 27$ .

$729 - 4374 i - 10935 + 540 (27 i) + 15 \cdot 3^{2} {(- 3 i)}^{4} + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.19

Multiply $27$ by $540$ .

$729 - 4374 i - 10935 + 14580 i + 15 \cdot 3^{2} {(- 3 i)}^{4} + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.20

Raise $3$ to the power of $2$ .

$729 - 4374 i - 10935 + 14580 i + 15 \cdot 9 {(- 3 i)}^{4} + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.21

Multiply $15$ by $9$ .

$729 - 4374 i - 10935 + 14580 i + 135 {(- 3 i)}^{4} + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.22

Apply the product rule to $- 3 i$ .

$729 - 4374 i - 10935 + 14580 i + 135 ({(- 3)}^{4} i^{4}) + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.23

Raise $- 3$ to the power of $4$ .

$729 - 4374 i - 10935 + 14580 i + 135 (81 i^{4}) + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.24

Rewrite $i^{4}$ as $1$ .

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Step 2.1.24.1

Rewrite $i^{4}$ as ${(i^{2})}^{2}$ .

$729 - 4374 i - 10935 + 14580 i + 135 (81 {(i^{2})}^{2}) + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.24.2

Rewrite $i^{2}$ as $- 1$ .

$729 - 4374 i - 10935 + 14580 i + 135 (81 {(- 1)}^{2}) + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.24.3

Raise $- 1$ to the power of $2$ .

$729 - 4374 i - 10935 + 14580 i + 135 (81 \cdot 1) + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.25

Multiply $135 (81 \cdot 1)$ .

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Step 2.1.25.1

Multiply $81$ by $1$ .

$729 - 4374 i - 10935 + 14580 i + 135 \cdot 81 + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.25.2

Multiply $135$ by $81$ .

$729 - 4374 i - 10935 + 14580 i + 10935 + 6 \cdot 3 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.26

Multiply $6$ by $3$ .

$729 - 4374 i - 10935 + 14580 i + 10935 + 18 {(- 3 i)}^{5} + {(- 3 i)}^{6}$

Step 2.1.27

Apply the product rule to $- 3 i$ .

$729 - 4374 i - 10935 + 14580 i + 10935 + 18 ({(- 3)}^{5} i^{5}) + {(- 3 i)}^{6}$

Step 2.1.28

Raise $- 3$ to the power of $5$ .

$729 - 4374 i - 10935 + 14580 i + 10935 + 18 (- 243 i^{5}) + {(- 3 i)}^{6}$

Step 2.1.29

Factor out $i^{4}$ .

$729 - 4374 i - 10935 + 14580 i + 10935 + 18 (- 243 (i^{4} i)) + {(- 3 i)}^{6}$

Step 2.1.30

Rewrite $i^{4}$ as $1$ .

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Step 2.1.30.1

Rewrite $i^{4}$ as ${(i^{2})}^{2}$ .

$729 - 4374 i - 10935 + 14580 i + 10935 + 18 (- 243 ({(i^{2})}^{2} i)) + {(- 3 i)}^{6}$

Step 2.1.30.2

Rewrite $i^{2}$ as $- 1$ .

$729 - 4374 i - 10935 + 14580 i + 10935 + 18 (- 243 ({(- 1)}^{2} i)) + {(- 3 i)}^{6}$

Step 2.1.30.3

Raise $- 1$ to the power of $2$ .

$729 - 4374 i - 10935 + 14580 i + 10935 + 18 (- 243 (1 i)) + {(- 3 i)}^{6}$

Step 2.1.31

Multiply $i$ by $1$ .

$729 - 4374 i - 10935 + 14580 i + 10935 + 18 (- 243 i) + {(- 3 i)}^{6}$

Step 2.1.32

Multiply $- 243$ by $18$ .

$729 - 4374 i - 10935 + 14580 i + 10935 - 4374 i + {(- 3 i)}^{6}$

Step 2.1.33

Apply the product rule to $- 3 i$ .

$729 - 4374 i - 10935 + 14580 i + 10935 - 4374 i + {(- 3)}^{6} i^{6}$

Step 2.1.34

Raise $- 3$ to the power of $6$ .

$729 - 4374 i - 10935 + 14580 i + 10935 - 4374 i + 729 i^{6}$

Step 2.1.35

Factor out $i^{4}$ .

$729 - 4374 i - 10935 + 14580 i + 10935 - 4374 i + 729 (i^{4} i^{2})$

Step 2.1.36

Rewrite $i^{4}$ as $1$ .

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Step 2.1.36.1

Rewrite $i^{4}$ as ${(i^{2})}^{2}$ .

$729 - 4374 i - 10935 + 14580 i + 10935 - 4374 i + 729 ({(i^{2})}^{2} i^{2})$

Step 2.1.36.2

Rewrite $i^{2}$ as $- 1$ .

$729 - 4374 i - 10935 + 14580 i + 10935 - 4374 i + 729 ({(- 1)}^{2} i^{2})$

Step 2.1.36.3

Raise $- 1$ to the power of $2$ .

$729 - 4374 i - 10935 + 14580 i + 10935 - 4374 i + 729 (1 i^{2})$

Step 2.1.37

Multiply $i^{2}$ by $1$ .

$729 - 4374 i - 10935 + 14580 i + 10935 - 4374 i + 729 i^{2}$

Step 2.1.38

Rewrite $i^{2}$ as $- 1$ .

$729 - 4374 i - 10935 + 14580 i + 10935 - 4374 i + 729 \cdot - 1$

Step 2.1.39

Multiply $729$ by $- 1$ .

$729 - 4374 i - 10935 + 14580 i + 10935 - 4374 i - 729$

Step 2.2

Simplify by adding terms.

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Step 2.2.1

Subtract $10935$ from $729$ .

$- 10206 - 4374 i + 14580 i + 10935 - 4374 i - 729$

Step 2.2.2

Simplify by adding and subtracting.

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Step 2.2.2.1

Add $- 10206$ and $10935$ .

$729 - 4374 i + 14580 i - 4374 i - 729$

Step 2.2.2.2

Subtract $729$ from $729$ .

$0 - 4374 i + 14580 i - 4374 i$

Step 2.2.2.3

Subtract $4374 i$ from $0$ .

$- 4374 i + 14580 i - 4374 i$

Step 2.2.3

Add $- 4374 i$ and $14580 i$ .

$10206 i - 4374 i$

Step 2.2.4

Subtract $4374 i$ from $10206 i$ .

$5832 i$