Question

prove that: sinA (1+cot^2A)=cosecA​

Answer 1

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Answer 2

question : sinA( 1+cot^2A) = cosecA

Answer : we know ,

1 + cot^2A = cosec^2A

.....(Identity)

sinA × cosec^2A

we know,

SinA = 1/cosecA

1/cosecA × cosec^2A

RHS = cosecA. .......(square term get cancel