If 1+sin^2 theta = 3sin theta cos theta, then prove that tan theta =1or 1/2
Answers
Answered by
19
Divide the eqn by cos²x
we get= sec²x+tan²x=3tanx
sec²x=1+tan²x
therefore, 1+2tan²x-3tanx=0 take tan x= y solve quadratic u get
tanx=1 or 1/2 thanks
here i took theta as x . ;)
we get= sec²x+tan²x=3tanx
sec²x=1+tan²x
therefore, 1+2tan²x-3tanx=0 take tan x= y solve quadratic u get
tanx=1 or 1/2 thanks
here i took theta as x . ;)
Similar questions