#### Question

`"If "\frac{\cos \alpha }{\cos \beta }=m\text{ and }\frac{\cos \alpha }{\sin \beta }=n " show that " (m^2 + n^2 ) cos^2 β = n^2`

clickto share

#### Solution

You need to to view the solution

Is there an error in this question or solution?

#### APPEARS IN

#### Related Questions VIEW ALL [5]

#### Reference Material

Solution for question: If cosα/cosβ=m and cosα/sinβ=n show that (m^2+n^2)cos2β=n^2 concept: Trigonometric Identities. For the course CBSE