Question

4 cot^2 45° - sec²60° + sin²60° + cos^2 90°​

Answer 1

Answer:

3/4

Step-by-step explanation:

4 cot² 45 - sec² 60 + sin² 60 + cos² 90

= 4 (1)2 - (2)2 + (√3/2)2 + 0

= 4 - 4 + 3/4

= 3/4

Answer 2

Answer:

hope this will help you.

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