sinA-sin5A+sin9A-sin13A/cosA-cos5A-cos9A+cos13A=cotAPlan prove that.....
Abhinand Nair , 8 Years ago
Grade 11
Trigonometry> sinA-sin5A+sin9A-sin13A/cosA-cos5A-cos9A+...
1 Answers
Saurabh Koranglekar
Last Activity: 6 Years ago
Dear student
https://www.askiitians.com/forums/Trigonometry/solve_133494.htm
Kindly find the link
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