Post a New Question


posted by .

Match the trigonometric expression:

cos^2 [(pi/2) - x] / cos x

Does csc x match with this?

  • Math -

    cos(pi/2-x) = sinx
    (e.g. cos 70 = sin 20)

    [cos^2 (pi/2-x)]/cosx = sin^2 x/cosx
    = (sinx/cosx)sinx
    = tanxsinx

    Don't know what you mean by "match with this"

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

More Related Questions

Post a New Question