Math, asked by 21dpit044hy, 5 days ago

(1 + cos 2A)/(sin 2A) = cot A

Answers

Answered by subhrajit15

1

1 + cos 2A = 2 cos²A

sin2A = 2 sinA cosA

(1 + cos2A) / sin2A

= 2 cos²A / 2 sinA cos A

= cosA / sinA

= cotA (Proved)

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