Question

IF 7/cosecA-9/secA=7/cosecB-9/secB THEN PROVE THAT

16TAN(A+B)=63

Answer 1

Answer:

https://www.quora.com/If-7-cosec-%CE%B8-3-cot-%CE%B8-7-then-what-is-the-value-of-7-cot-%CE%B8-3-cosec-%CE%B8

If 7 cosec θ -3 cot θ =7 then what is the value of 7 cot θ -3 ...