Proving Trig Identities practice question 2
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 :)
Posted from my blog with SteemPress : http://magicmonktutorials.com/blog/2018/10/24/proving-trig-identities-practice-question-2/
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