Find the Exact Value sin(pi/3+arccos(4/5))

$\sin (\frac{π}{3} + \arccos (\frac{4}{5}))$

Step 1

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

$\sin (\frac{π}{3} + 0.6435011)$

Step 2

Add $\frac{π}{3}$ and $0.6435011$ .

$\sin (1.69069865)$

Step 3

The result can be shown in multiple forms.

Exact Form:

$\sin (\frac{π}{3} + \arccos (\frac{4}{5}))$

Decimal Form:

$0.99282032 \dots$