Math, asked by raviranjan3953, 7 months ago

9.If sinA =cosA ,then tan2A+cot 2A =…….

Answers

Answered by Anonymous

4

SinA = cosA

Sin2A = Cos2A

tan2A + Cot2A = Sin2A/Cos2A + Cos2A/Sin2A

= Sin2A/Cos2A + Sin2A/Cos2A

= (Sin2A + Sin2A)/Cos2A

= 2Sin2A/Cos2A

= 2 . tan2A

tan2A+cot 2A = 2. tan2A or 2. Cot2A or 2

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