Proving Trig Identities practice question 2
385 views · Published 5 December 2014 · 9:09 · Indexed 25 October 2026
Channel: Magic Monk · 2014 · Education
In this tutorial we give you a practice question on proving trig identities. The question is: Prove that (1-sinx)/(1+sinx)=(secx-tanx)^2. Have a go then come and see the answer! p.s. Need to remember how to factorise and expand binomials :)
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