Question

if tanA=cotA then find the value of sin2A. ​

Answer 1

Step-by-step explanation:

tan^2A = 1

tan A = +1,-1

A= 45° ,135°

Sin2A = Sin90°,Sin270°

So, Answer is +1, -1

Sin90° =+1

sin270°= -1

Answer 2

Answer

Step-by-step explanation:

Tan45=cot 45

So A =45

2A=90

So sin2A=sin90=1

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