secA(1-sinA) (secA + tanA) =1. Prove that.
Answers
Answered by
3
Step-by-step explanation:
secA(1-sinA)(secA+tanA)
= (1/cosA)(1-sinA)(1/cosA+sinA/cosA)
= (1/cos²A)(1-sinA)(1+sinA)
= (1/cos²A)(1-sin²A)
= (1/cos²A)(cos²A)
= 1
= RHS
This is the correct proof.
Plzz mark as brainlist:-) :-) :-)
Answered by
1
LHS
RHS
=1
LHS=RHS
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