Home
Class 12
MATHS
4 cos 6 theta cos 4 theta cos 2 theta =...

`4 cos 6 theta cos 4 theta cos 2 theta = `

A

`cos 12 theta + cos 8 theta + cos 4 theta + 1`

B

`cos 12 theta + cos 8 theta - cos 4 theta + 1`

C

`cos 12 theta - cos 8 theta + cos 4 theta +1`

D

`cos 12 theta - cos 8 theta - cos 4 theta -1 `

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC RATIOS AND IDENTITIES

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 1 E ( TRIGONOMETRIC IDENTITIES )|49 Videos

  • TRIGONOMETRIC RATIOS AND IDENTITIES

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 1 F ( PERIODIC FUNCTIONS )|39 Videos

  • TRIGONOMETRIC RATIOS AND IDENTITIES

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 1 C ( MULTIPLE AND SUBMULTIPLE ANGLES )|118 Videos

  • TRIGONOMETRIC EQUATIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 (SPECIAL TYPE QUESTIONS) SET - 4|4 Videos

Similar Questions

Explore conceptually related problems

1+ cos 2 theta + cos 4 theta + cos 6 theta =

4 sin 5 theta cos 3 theta sin 2 theta

If cos 6theta + cos 4theta + cos 2theta +1 =0 for 0 le theta le pi then theta =

If 0 le theta le pr, cos 6theta + cos 4theta + cos 2theta + 1 =0 then the ascending order of the values of theta is

8 sin theta cos theta cos 2 theta cos 4 theta =

If cos theta + cos 7 theta + cos 3 theta + cos 5 theta = 0 " then " theta =

( cos 6 theta +6 cos 4 theta + 15 cos 2 theta + 10)/( cos 5 theta + 5 cos 3 theta + 10 cos theta)=

If cos theta cos 2 theta cos 3theta = 1//4 for 0 lt theta lt pi then theta =