Grade 11Trigonometry
If 8theta = pi thenprovethat, cos7theta + cottheta = 0
1 Answer
Saurabh Koranglekar
Dear student
https://www.askiitians.com/forums/Trigonometry/if-eight-theta-is-equal-to-pi-show-that-cos-7-thet_179958.htm
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https://www.askiitians.com/forums/Trigonometry/if-eight-theta-is-equal-to-pi-show-that-cos-7-thet_179958.htm
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