Home
Class 11
MATHS
If sin 3alpha = 4 sin alpha sin (x + alp...

If `sin 3alpha = 4 sin alpha sin (x + alpha)sin(x-alpha)`, then x =

A

`n pi +-pi//4, AA n in Z`

B

`n pi +-pi//3, AA n in Z`

C

`n pi +-pi//9, AA n in Z`

D

`n pi +-pi//12, AA n in Z`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TRIGNOMETRIC EQUATIONS

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE-I MORE THAN ONE CORRECT ANSWER TYPE QUESTIONS)|12 Videos

  • TRIGNOMETRIC EQUATIONS

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE-II (Straight objectives Types Questions)|40 Videos

  • TRANSFORMATIONS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE-I LEVEL-I Straight Objective Type Questions)|41 Videos

  • TRIGONOMERTIC RATIOS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|77 Videos

Similar Questions

Explore conceptually related problems

Solve Sin 3 alpha = 4 Sin alpha Sin (x + alpha) Sin(x-alpha) where a ne n pi, n in z

( sin alpha sin 3alpha + sin 3alpha sin 7 alpha + sin 5 alpha sin 15 alpha )/( sin alpha cos 3 alpha + sin 3alpha cos 7 alpha + sin 5 alpha cos 15 alpha ) =

(( cos alpha - cos 3 alpha ) ( sin 8 alpha + sin 2 alpha ))/( ( sin 5 alpha - sin alpha ) ( cos 4 alpha - cos 6 alpha ))=

If A=[(cos alpha, sin alpha),(-sin alpha, cos alpha)] , then verify that A'A=I

If A=[(sin alpha, cos alpha),(-cos alpha, sin alpha)] , then verify that A'A=I

If A = [(cos alpha, sin alpha),(-sin alpha, cos alpha)] , then show that AA'= A'A.

int [(sqrt sin(x+alpha))/(sin(x-alpha))]dx=