Post a New Question

Trigonometry

posted by on .

Verify the identity: cos x + sin x tan x = sec x.

  • Trigonometry - ,

    LS = cosx + sinx(sinx/cosx)
    = (cos^2x + sin^2x)/cosx
    = 1/cosx
    = sec x
    = RS

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question