Math, asked by kumkumnath, 1 year ago

using trigonometry identities, write the expression as an integer 3cot2A-3cosec2A

Answers

Answered by spencyspidey307

4

check it ,it might be useful

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kumkumnath: i think answer is 1

Answered by soumaya123

4

3 cot2A- 3cosec2A
3(cot^2A-cosec^2A)
As 1+cot^2A=cosec^2A
Therefore, cot^2A-cosec^2A= -1
3(-1)
=-3

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