Solve for x, if tan 3x = 5 tan x
A). 15.705°
B). 20.705°
C). 30.705°
D). 35.705°
3. If the value of θ = 30°, then value of tan2 θ + cot2θ
5. Find the value of (tan9° – tan27° – tan63° + tan81°).
7. Find the minimum value of sin2A + cosec2A?
8. Considering Cosine Rule of any triangle ABC, possible measures of angle A includes
9. Find the value of (p + q)2, if p + q Cot3 α = Cot α.Cosec α and q = p tan α.