If tan4θ = cot(40° - 2θ), then θ is equal to:
A. 20°
B. 25°
C. 35°
D. 30°
Answer: Option B
Solution(By Examveda Team)
tan4θ = cot(40° - 2θ)tan4θ = cot(90° - 40° + 2θ)
tan4θ = tan(50° + 2θ)
4θ = 50° + 2θ
2θ = 50°
θ = 25°
This Question Belongs to Arithmetic Ability >> Trigonometry
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