Advertisements
Advertisements
Question
Choose the correct alternative:
If cos pθ + cos qθ = 0 and if p ≠ q, then θ is equal to (n is any integer)
Options
`(pi(3"n" + 1))/("p" - "q")`
`(pi(2"n" + 1))/("p" +- "q")`
`(pi("n" +- 1))/("p" +- "q")`
`(pi("n" + 2))/("p" + "q")`
Advertisements
Solution
`(pi(2"n" + 1))/("p" +- "q"`
APPEARS IN
RELATED QUESTIONS
If \[\cot x \left( 1 + \sin x \right) = 4 m \text{ and }\cot x \left( 1 - \sin x \right) = 4 n,\] \[\left( m^2 + n^2 \right)^2 = mn\]
If \[T_n = \sin^n x + \cos^n x\], prove that \[6 T_{10} - 15 T_8 + 10 T_6 - 1 = 0\]
Prove that:
sin2 π/18 + sin2 π/9 + sin2 7π/18 + sin2 4π/9 =
Find the general solution of the following equation:
Find the general solution of the following equation:
Find the general solution of the following equation:
Solve the following equation:
Solve the following equation:
\[2 \sin^2 x = 3\cos x, 0 \leq x \leq 2\pi\]
Solve the following equation:
4sinx cosx + 2 sin x + 2 cosx + 1 = 0
Solve the following equation:
cosx + sin x = cos 2x + sin 2x
Solve the following equation:
\[2^{\sin^2 x} + 2^{\cos^2 x} = 2\sqrt{2}\]
If \[\cos x + \sqrt{3} \sin x = 2,\text{ then }x =\]
If a is any real number, the number of roots of \[\cot x - \tan x = a\] in the first quadrant is (are).
The number of solution in [0, π/2] of the equation \[\cos 3x \tan 5x = \sin 7x\] is
The number of values of x in [0, 2π] that satisfy the equation \[\sin^2 x - \cos x = \frac{1}{4}\]
Solve the following equations:
sin 2θ – cos 2θ – sin θ + cos θ = θ
If a cosθ + b sinθ = m and a sinθ - b cosθ = n, then show that a2 + b2 = m2 + n2
The minimum value of 3cosx + 4sinx + 8 is ______.
