Correct option is C
Given:
tan x = sin 90° × cos 60° + sin 30°
Formula Used:
Use standard trigonometric identities and values:
sin 90° = 1
cos 60° = 1/2
sin 30° = 1/2
Solution:
tan x = (1 × 1/2) + 1/2
= 1/2 + 1/2
= 1
Now, we know:
tan x = 1 => x = 45° (in the principal domain)
Final Answer:
45°