From the following figure, prove that θ+ϕ=90∘. Also prove that there are two other right angled triangle. Find sinα,cosβ and tanϕ.

From the following figure, prove that θ+ϕ=90∘. Also prove that the

1.	From the following figure, prove that θ+ϕ=90∘. Also prove that there are two other right angled triangle. Find sinα,cosβ and tanϕ.
Answer» From the following figure, prove that $θ + ϕ = 90^{\circ}$ . Also prove that there are two other right angled triangle. Find $sin α, cos β a n d tan ϕ .$