CosA/1+sinA=secA-tanA
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Answer:
Step-by-step explanation:
CosA/1+sinA=secA-tanA
taking LHS
multiply and divide it by ( 1- sinA)
We get
= CosA(1-SinA)/(1+sinA)(1-SinA)
= CosA(1-SinA)/(1-Sin^2A) ;1-Sin^2A= Cos^2A
= CosA(1-SinA)/Cos^2A
=SecA-TanA
and divide we get RHS
Best of Luck For Examination!
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