Math, asked by FaiXu1051, 1 month ago

Cot square A+cos square A*cot square A

Answers

Answered by Aditya1600

4

Answer:

cot²a + cos²a = cot²a

LHS= cot²a +cos²a

cos²a/sin²a + cos²a [cot²a= cos²a/sin²a]

cos²a+ sin²a•cos²a

sin²a

1-sin²a + sin²a(1-sin²a)

sin²a. [sin²a+ cos²a=1]

1-sin²a + sin²a-sin²a

sin²a

1-sin²a

sin²a

cos²a

sin²a

cot²a

since LHS= RHS

Hence proved

Step-by-step explanation:

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