Q. $sin 76 5^{\circ}$ is equal to

1472 264 KEAMKEAM 2017Trigonometric Functions Report Error

A

1

2%

B

0

3%

C

$\frac{3}{2}$

5%

D

$\frac{1}{2}$

3%

E

$\frac{1}{2}$

3%

Solution:

$sin 76 5^{\circ}$
$= sin (72 0^{\circ} + 4 5^{\circ}) = sin 4 5^{\circ}$
$= \frac{1}{2}$