Home
Class 12
MATHS
The equality sin A + sin 2A + sin 3A =3...

The equality `sin A + sin 2A + sin 3A =3` holds for some real value of A.

Answer

Step by step text solution for The equality sin A + sin 2A + sin 3A =3 holds for some real value of A. by MATHS experts to help you in doubts & scoring excellent marks in Class 12 exams.

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • TRIGONOMETRY RATIOS AND IDENTITIES

    ML KHANNA|Exercise MISCELLANEOUS EXERCISE (FILL IN THE BLANKS)|6 Videos

  • TRIGONOMETRY RATIOS AND IDENTITIES

    ML KHANNA|Exercise MISCELLANEOUS EXERCISE (SELF ASSESSMENT TEST)|33 Videos

  • TRIGONOMETRICAL EQUATIONS

    ML KHANNA|Exercise SELF ASSESSMENT TEST |27 Videos

Similar Questions

Explore conceptually related problems

The equality sin A+sin2A+sin3A=3 holds for some real value of A.

sin theta = x + 1/x is possible for some real values of x.

Knowledge Check

  • The value of (sin 7 A + sin 3A)/(cos 7 A + cos 3 A) is equal to

    A
    tan 5A
    B
    cot 5 A
    C
    sec 5 A - tan 5 A
    D
    sec 5 A + cot 5 A

  • The value of (sin 7 A + sin 3 A)/(cos 7 A + cos 3 A) is equal to

    A
    `tan 5 A`
    B
    `cot 5 A`
    C
    `sec 5A - tan 5A`
    D
    `sec 5A + cot 5A`

  • If sin 2A =sin 3A and 0 le A le 90^(@), then A is equal to

    A
    `45^(@)`
    B
    ` 60^(@)`
    C
    `0^(@) or 36^(@)`
    D
    `72^(@)`

    • Similar Questions

    Explore conceptually related problems

    2^("sin"^(2) x ) = sin x does not hold good for any real x.

    If sin A+cos2A=1//2 and cos A+sin2A=1//3 . Then find the value of sin 3A .

    The value of 4 sin A cos^(3) A- 4 cos A sin^(3) A is equal to

    The value of 2 sin 3x cos 2x is equal to

    If sin A+sin 2A+sin ^(3) A=cos A+cos 2A+cos 3A, then tan 2A is equal to

    Home
    Profile