Question

1 - Cot2 45° 1t sin²90°​

Answer 1

Cot² 45° 1t sin²90° = 0

Step By Step Explanation

Put the value of cot 45 and sin 90 we will get,

Cot 45 = 1 and Sin 90 = 1

→1-2(1)/1+2(1)

→1-2/1+2

→-1/3

Hope it helps ☺️

Answer 2

Answer:

See the attachment photo.

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