Question

cot^2 90° + tan^2 45° - sin^2 60°​

Answer 1

Answer:

cot^2 90° + tan^2 45° - sin^2 60° = 1/4

Step-by-step explanation:

= cot^2 90° + tan^2 45° - sin^2 60°

= ( 0 )^2 + ( 1 )^2 - ( √3/2 )^2

= 0 + 1 - 3/4

= 4 - 3/4

= 1/4

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