The value of cos 15° – sin 15° is | Mathematics | SolveeIt | Solveeit

Today, August 19

Question

The value of cos 15° – sin 15° is

A

(A) 0

B

(B) 1/√2

C

(C) −12

D

(D) 1/2√2

Answer

(B) 1/√2

Explanation

Solution

Explanation:
cos⁡15∘−sin⁡15∘=2cos⁡60∘=12