Question

2 cos theta + 2√2 =3 sec theta
​

Answer 1

ANSWER

2cosθ+2

2

=3secθ

2cos

2

θ+2

2

cosθ=

2

3

Let cos

2

θ=y

cosθ=

2

−1+2

y

2

+

2

y=

2

3

=0

⇒

2

−1+2

,

2

−1−2

y=

2

−

2

±

2−4(

4

3

)

cosθ=

2

1

,

2

−3

=

2

−

2

±

2+6

=

2

−

2

±2

2