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If sin θ = 3/5 and cos θ = 4/5, find the value of (2tan² θ + 3cot² θ).
A man is standing at a point 40 meters away from a tower. The angle of elevation of the top of the tower from the point is 45°. After walking 20 meters...
Find the slope of the equation : 12x + 4y = 28.
What is the value of [(tan 5θ + tan 3θ)/4 cos 4θ (tan 5θ – tan 3θ)]?
If (sinθ+cosθ)/(sinθ-cosθ) = 2, then the value of sin4 θ is
If tan 4θ = cot 14θ, then find the value of cos 9θ.
Simplify the following trigonometric expression: 12 cos 68° cosec 22° - 3 cot 72° cot 18°
...If tan A = 1 and tan B = √ 3, what is the value of cos A . cos B - sin A . sin B?
