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)
(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) = 
1