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If Sin 6theta Sin 4theta Sin 2theta 0 Then Value Of Theta Is

If sin 6θ + sin 4θ + sin 2θ = 0, then the general value of θ is 1) (nπ/4),... View Article

The number of solutions of cos 2θ = sin θ in (0, 2π) is 1) 1 2) 2 3) 3... View Article

The value of x in (0, π/2) satisfying the equation sin x cos x = 1/4 is 1) π/6 2)... View Article

If sin θ + cos θ = 0 and 0 < θ < π, then θ is equal to 1)... View Article

A value of θ satisfying sin 5θ – sin 3θ + sin θ = 0, such that 0 < θ... View Article

The possible values of θ ϵ (0,π) such that sin (θ) + sin (4θ) + sin (7θ) = 0 are... View Article

The value of θ satisfying cos θ + √3 sin θ = 2 is 1) 30° 2) 60° 3) 45°... View Article

If sin 2x = 4 cos x, then x is equal to 1) (nπ/2) ± (π/4), n ∈ Z 2)... View Article

The equation esinx – e-sinx – 4 = 0 has 1) infinite number of real roots 2) no real roots... View Article

sech-1 (1/2) is equal to 1) log(√3 + √2) 2) log(√3 + 1) 3) log(2 + √3) 4) None of... View Article

2 tanh-1 (1/2) is equal to 1) 0 2) log 2 3) log 3 4) log 4 Answer: (3) log... View Article

sech-1 (sin θ) is equal to 1) log tan θ/2 2) log sin θ/2 3) log cos θ/2 4) log... View Article

[1 + tanh(x/2)]/[1 – tanh(x/2)] is equal to 1) e-x 2) ex 3) 2ex/2 4) 2e-x/2 Answer: (2) ex Solution:... View Article

If sinh-1 (2) + sinh-1 (3) = x, then cosh x is equal to 1) (1/2)[3√5 + 2√10] 2) (1/2)[3√5... View Article

The curve represented by x = a (sinh θ + cos h θ) y = b (-sinh θ + cosh... View Article

sech-1 (1/2) – cosech-1 (3/4) equals 1) loge3(2 + √2) 2) loge[(1 + √3)/3] 3) loge[(2 + √3)/3] 4) loge[(2... View Article

If A + B = C, then cos2A + cos2B + cos2C – 2 cos A cos B cos C... View Article

For all values of θ, the value of 3 – cos θ + cos (θ + π/3) lies in the... View Article

The maximum value of the function 3 cos x – 4 sin x is 1) 2 2) 3 3) 4... View Article

If x sin θ = y cos θ = 2z tan θ/(1 – tan2θ), then 4z2(x2 + y2) is equal... View Article