Prove the identity: (sinx - tanx)(cosx - cotx) = (sinx - 1)(cosx - 1)
(sinx - tanx)(cosx - cotx)= (sinx - sinx/cosx)(cosx - cosx/sinx)= sinxcosx - (sinx + cosx) + 1= (sinx - 1)(cosx - 1)
CP
Related Maths A Level answers
All answers ▸What is the integral of (6x^2 + 2/x^2 + 5) with respect to x?
What is a stationary point and how do I find where they occur and distinguish between them?
find the coordinates of the turning points of the curve y = 2x^4-4x^3+3, and determine the nature of these points
Find the integral of x^2e^x