1.

What is the value of cosec^2A-cot^2A?

Answer»

ANSWER:

ANSWER

cosec 2A−cot2A−tanA

sin2A

1

sin2A

cos2A

−tanA

SIN

2

A

1−cos2A

−tanA

2sinAcosA

1−(1−2sin

2

A)

−tanA

=

2sinAcosA

2sin

2

A

−tanA

=tanA−tanA

=0

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