Asked by Sandy East Ward
How do I put "cos^2 theta" into the denominator of "1/1-sin theta"?
Answers
Answered by
Steve
Multiply top and bottom by 1+sinθ:
1/(1-sinθ) * (1+sinθ)/(1+sinθ)
= (1+sinθ)/(1-sin^2θ)
= (1+sinθ)/cos^2θ
1/(1-sinθ) * (1+sinθ)/(1+sinθ)
= (1+sinθ)/(1-sin^2θ)
= (1+sinθ)/cos^2θ
Answered by
Sandy East Ward
Thanks!! Why does it turn into cos^2 θ off of 1 + sinθ?
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