Question

The value of 0 for which cos (10° + 0) = sin 30°, is
(A)
50°
(B)
40°
(C)
80°
(D)
20°
​

Answer 1

Answer:

50°

Step-by-step explanation:

cos ( 10° + 0 ) = sin 30°

sin 30° = 1/2

Therfore = cos (10° + 0 ) = 1/2

= cos (10°+50°) = 1/2

HOPE IT WILL HELP YOU

PLZ MARK AS BRAINLIEST