Trigonometry Examples

$\cos (\arctan (\frac{3}{4}) - \arcsin (\frac{4}{5}))$

Step 1

Simplify each term.

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Step 1.1

Evaluate $\arctan (\frac{3}{4})$ .

$\cos (0.6435011 - \arcsin (\frac{4}{5}))$

Step 1.2

Evaluate $\arcsin (\frac{4}{5})$ .

$\cos (0.6435011 - 1 \cdot 0.92729521)$

Step 1.3

Multiply $- 1$ by $0.92729521$ .

$\cos (0.6435011 - 0.92729521)$

Step 2

Subtract $0.92729521$ from $0.6435011$ .

$\cos (- 0.2837941)$

Step 3

The result can be shown in multiple forms.

Exact Form:

$\cos (\arctan (\frac{3}{4}) - \arcsin (\frac{4}{5}))$

Decimal Form:

$0.96$