If sin θ and cos θ are the roots of ax2 – bx + c = 0, then the relation between a, b and c will be
If tan A = 1/2 and tan B = 1/3, then the value of A + B is
The value of cos 1° cos 2° cos 3° … cos 179° is
The value of sin 50° – sin 70° + sin 10° is equal to
The value of sin (45° + θ) – cos (45° – θ) is
The value of tan 1° tan 2° tan 3° … tan 89° is
If α + β = π/4, then the value of (1 + tan α) (1 + tan β) is
If A lies in the second quadrant and 3 tan A + 4 = 0, then the value of (2 cot A – 5 cos A + sin A) is equal to
If for real values of x, cos θ = x + (1/x), then
Number of solutions of the equation tan x + sec x = 2 cos x lying in the interval [0, 2π] is
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