Question

cot
(Hint: Simplify LHS and RHS separately
1 - tan A
1 + tanA
1 + cor-A
-
= tan-A
1- cot A​

Answer 1

Step-by-step explanation:

(1+tanA)(11+cotA)(1-tanA)(11-cotA)=tanA

LHS=sec^2A-tan^2A

RHS=tanA=1/cotA

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