If θ and Φ lie in the first quadrant such that , find the values of
(i) sin (θ - Φ )

(ii) cos (θ - Φ)

(iii) tan (θ - Φ)

Question

If θ and Φ lie in the first quadrant such that , find the values of(i) sin (θ - Φ )(ii) cos (θ - Φ)(iii) tan (θ - Φ)

Philoid · Accepted Answer

(i)sin(θ - Φ) = sinθcosΦ + cosθsinΦ= (ii) cos(θ - Φ) = cosθ.cosΦ + sinθ.sinΦ(iii)We will first find out the Values of tanθ and tanΦ,tan(θ - Φ) =