solve sin3a/sin+cos3a/cos
Answers
Answered by
1
=(sin3acosa+sinacos3a)/sinacosa
=sin(3a+a)/sinacosa
=sin4a/sinacosa
=2sin4a/sin2a
=sin(3a+a)/sinacosa
=sin4a/sinacosa
=2sin4a/sin2a
Similar questions