Ask Question
11 March, 01:34

Verify the identity of

sin (x+pi/2) = cos x

+3
Answers (1)
  1. 11 March, 01:50
    0
    Sin (A+B) = sinAcosB + sinBcosA

    sin (x + pi/2) = sin x cos pi/2 + sin pi/2 cos x

    = sin x (0) + 1 (cos x)

    = cos x

    (cos pi/2 = 0 and sin pi/2 = 1)
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Verify the identity of sin (x+pi/2) = cos x ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers