10 th class trigonometry
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Answer:
please post question or problems
Answered by
0
Answer:
It is very easy to solve the trigonometry only learn all the formulas and trigonometry table which is important for us
Step-by-step explanation:
let us take the question
we have to prove that (1-sin2®)sec2®=1
let®=thita
by taking LHS (1-sin2®)sec2®
= cos2®sec2® {by using identity 1-sin2®=cos2®}
=cos2®(1 =1)
cos2®
=cos2®
_________ =1
cos2®
Hence proved
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