Question

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cot^2C-1/sin^2C
I will mark you as a brainlist​

Answer 1

Answer:

cot

2

C−

sin

2

C

1

=

sin

2

C

cos

2

C

−

sin

2

C

1

=

sin

2

C

−(1−cos

2

C)

=

sin

2

C

−sin

2

C

=−1

Step-by-step explanation:

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