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prove -sina(square)-sinb(square)/sina.cosa-sinb.cosb = tan(A+b)

prove -sina(square)-sinb(square)/sina.cosa-sinb.cosb = tan(A+b)

Grade:12

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
2 years ago
Dear student

The question is either incorrect or incomplete, also not in standard notation, kindly attach an image of the question

Regards
Vikas TU
14149 Points
2 years ago
Dear student 
Question is not clear 
Please attach an image, 
We will happy to  help you 
Good Luck
Cheers
 

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