Sin3 theta+sin2theta-sintheta=4sin theta cos theta /2 cos3 theta/2
Answers
Answered by
3
msinB = nsin(2A+B) then (m+n) tanA=
(m-n) tan (A+B)
https://brainly.in/question/12600374
If sin theta = n sin (theta + 2 alpha) then prove that tan ( theta + alpha) =1+n/1-n tan
https://brainly.in/question/5603310
Similar questions