Question

evaluate 2[ cot²45°-cosec²45°]​

Answer 1

Answer:

-2 is the answer.

Step-by-step explanation:

I have attached the image.

Answer 2

Answer:

-2

Step-by-step explanation:

2[ cot²45°-cosec²45°]

2(1^2-root2^2)

2(1-2)

2×-1

-2

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