Trigonometry Examples

$\sin (\arccos (\frac{1}{3}) + \arcsin (- \frac{2}{5}))$

Step 1

Simplify each term.

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Step 1.1

Evaluate $\arccos (\frac{1}{3})$ .

$\sin (1.23095941 + \arcsin (- \frac{2}{5}))$

Step 1.2

Evaluate $\arcsin (- \frac{2}{5})$ .

$\sin (1.23095941 - 0.41151684)$

Step 2

Subtract $0.41151684$ from $1.23095941$ .

$\sin (0.81944257)$

Step 3

The result can be shown in multiple forms.

Exact Form:

$\sin (\arccos (\frac{1}{3}) + \arcsin (- \frac{2}{5}))$

Decimal Form:

$0.73076542 \dots$