sin50°+ cos 40°=2 sin (.....?......)
Answers
Answered by
10
cos 40°=cos(90-50)=sin 50°
sin 50° + sin 50°=2 sin 50°
Answered by
12
COS40° = SIN(90-40) = SIN(50°)
SIN50 + COS40 = 2SIN(50°)
the angle is 50
SIN50 + COS40 = 2SIN(50°)
the angle is 50
Similar questions