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Verify seca(1-sina)(seca+tana)=1
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Verify seca(1-sina)(seca+tana)=1

User Dyno Cris
by
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2 Answers

4 votes
That is an interesting question
Here is how to reach it....

Refer to the pic I attached
.

I hope that helps!






Verify seca(1-sina)(seca+tana)=1-example-1
User Maniacalrobot
by
8.2k points
5 votes
seca(1-sina)(seca+tana)=1
Left hand side
=(1-sina) (seca +tana) / cosa
=seca +tana - sinaseca - sinatan / cosa
=seca + tana -tana -(sin^2a/cosa) / cosa
=(1/cosa - sin^2a/cosa) / cosa
= (1-sin^2a / cosa) / cosa
= (1-sin^2a)/ (cos^2a)
=1 (verified)
User Evish Verma
by
8.3k points
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