Advertisements
Advertisements
प्रश्न
Choose the correct alternative:
If sin α + cos α = b, then sin 2α is equal to
विकल्प
b2 − 1, if `"b" ≤ sqrt(2)`
b2 − 1, if `"b" > sqrt(2)`
b2 − 1, if b ≥ 1
b2 − 1, if `"b" ≥ sqrt(2)`
Advertisements
उत्तर
b2 − 1, if `"b" ≤ sqrt(2)`
APPEARS IN
संबंधित प्रश्न
If \[cosec x - \cot x = \frac{1}{2}, 0 < x < \frac{\pi}{2},\]
If \[f\left( x \right) = \cos^2 x + \sec^2 x\], then
Which of the following is incorrect?
Find the general solution of the following equation:
Find the general solution of the following equation:
Solve the following equation:
Solve the following equation:
Solve the following equation:
If secx cos5x + 1 = 0, where \[0 < x \leq \frac{\pi}{2}\], find the value of x.
If cos x = k has exactly one solution in [0, 2π], then write the values(s) of k.
Write the solution set of the equation
If \[\cos x + \sqrt{3} \sin x = 2,\text{ then }x =\]
Find the principal solution and general solution of the following:
sin θ = `-1/sqrt(2)`
Solve the following equations:
cot θ + cosec θ = `sqrt(3)`
Solve the following equations:
2cos 2x – 7 cos x + 3 = 0
Choose the correct alternative:
If f(θ) = |sin θ| + |cos θ| , θ ∈ R, then f(θ) is in the interval
If sin θ and cos θ are the roots of the equation ax2 – bx + c = 0, then a, b and c satisfy the relation ______.
