Answers>Maths>A Level>Article

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

Answered by Charlie P. • Maths tutor

5005 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

Use chain rule and implicit differentiation to find dy/dx for y^3 = 1 + 3*x^2, then show that they are equal

solve 4^xe^(7x+5) = 21

How to "study" A-level Maths, not just learn?

Find the gradient of the line with equation 2x + 5y = 7