Math, asked by ashutosh2544, 11 months ago

find the exact value of the expression cos^-1(-√2/2)=3π/4.​

Answers

Answered by wwwnamdeo9424
1

I hope it will help you plz comment if you answer is write

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Answered by chaithra68
0

Solution:

cot-1 (–1) = π – cot-1 (1)

= π -π/4 [? cot-1 (–x) = π – cot-1 x]

= 3π/4.

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