Trigonometry Examples

$\cos (27) \cos (65) + \sin (27) + \sin (65)$

Step 1

Simplify each term.

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Step 1.1

Evaluate $\cos (27)$ .

$0.89100652 \cos (65) + \sin (27) + \sin (65)$

Step 1.2

Evaluate $\cos (65)$ .

$0.89100652 \cdot 0.42261826 + \sin (27) + \sin (65)$

Step 1.3

Multiply $0.89100652$ by $0.42261826$ .

$0.37655562 + \sin (27) + \sin (65)$

Step 1.4

Evaluate $\sin (27)$ .

$0.37655562 + 0.45399049 + \sin (65)$

Step 1.5

Evaluate $\sin (65)$ .

$0.37655562 + 0.45399049 + 0.90630778$

Step 2

Simplify by adding numbers.

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Step 2.1

Add $0.37655562$ and $0.45399049$ .

$0.83054612 + 0.90630778$

Step 2.2

Add $0.83054612$ and $0.90630778$ .

$1.73685391$