Trigonometry Examples

$\sin (25) \cos (35) + \cos (25) \sin (35)$

Step 1

Simplify each term.

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Step 1.1

Evaluate $\sin (25)$ .

$0.42261826 \cos (35) + \cos (25) \sin (35)$

Step 1.2

Evaluate $\cos (35)$ .

$0.42261826 \cdot 0.81915204 + \cos (25) \sin (35)$

Step 1.3

Multiply $0.42261826$ by $0.81915204$ .

$0.34618861 + \cos (25) \sin (35)$

Step 1.4

Evaluate $\cos (25)$ .

$0.34618861 + 0.90630778 \sin (35)$

Step 1.5

Evaluate $\sin (35)$ .

$0.34618861 + 0.90630778 \cdot 0.57357643$

Step 1.6

Multiply $0.90630778$ by $0.57357643$ .

$0.34618861 + 0.51983679$

Step 2

Add $0.34618861$ and $0.51983679$ .

$0.8660254$