Math, asked by samreen168ali, 7 months ago

cosec A-cotA)^2 =
1 -cos/ 1+cos

Answers

Answered by shantanukumar9686

1

Step-by-step explanation:

[1−cosA][1+cosA][1+cot

2

A]=csc

2

A[1−cos

2

A]

=

sin

2

A

1

×sin

2

A

=1

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