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Pls send an answer quickly sir with all the steps pls

Pls send an answer quickly sir with all the steps pls

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Grade:8

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
Dear student

Please put theta as pi/2

And simplify fraction

Lhs = -1

For cos 180 = -1
X = 2 theta

Regards

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