Q. The value of $cos 120 0^{\circ} + tan 148 5^{\circ}$ is

12347 233 KCETKCET 2021Trigonometric Functions Report Error

A

$\frac{1}{2}$

31%

B

$\frac{3}{2}$

32%

C

$- \frac{3}{2}$

23%

D

$- \frac{1}{2}$

14%

Solution:

$cos (3 \times 36 0^{\circ} + 12 0^{\circ}) + tan (4 \times 36 0^{\circ} + 4 5^{\circ})$
$= \frac{1}{2}$