Q8Short answer
Find the value of tan 22°30 ′ . θ θ θ 2 sin cos [Hint: Let θ = 45°, use tan = 2 = θ 2 2 = sin θ ] 2 θ θ 1 + cos θ cos 2 cos 2 2 2
Find the value of tan 22°30 ′ . θ θ θ 2 sin cos [Hint: Let θ = 45°, use tan = 2 = θ 2 2 = sin θ ] 2 θ θ 1 + cos θ cos 2 cos 2 2 2