Question

Solve the follow trigonometric equation where 0° SO 390°
(1) 2 cos20 – 13 coso = 0

(ü) 2 sin’0 - coso = 1

(iii)3 tan²0 = 2 sec20 + 1

(iv) cos20 - 3 cos + 2 = sin²0

(v)cos 0 cos 0
_____+_____
1-sin 0 1+Sino

​

Answer 1

question

x-6/x=3 is an quadratic equations in x and if yes then give explanation please...