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Home
Class 11
MATHS
The value of (1+cos (pi/6))(1+cos(pi/3...

The value of `(1+cos (pi/6))(1+cos(pi/3))(1+cos ((2pi)/3))(1+cos((7pi)/6))=`

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Answer

Step by step text solution for The value of (1+cos (pi/6))(1+cos(pi/3))(1+cos ((2pi)/3))(1+cos((7pi)/6))= by MATHS experts to help you in doubts & scoring excellent marks in Class 11 exams.

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Similar Questions

Explore conceptually related problems

Find the value of (1+cos (pi/8))(1+cos(3pi/8))(1+cos(5pi/8))(1+cos(7pi/8))

The value of (1+cos (pi)/(8))(1+cos (3 pi)/(8))(1+cos (5 pi)/(8))(1+cos (7 pi)/(8)) is

Knowledge Check

  • (1+cos (pi//8))(1+cos(3pi//8))(1+cos(5pi//8)) (1+cos(7pi//8))=

    A
    `1//2`
    B
    `cos(pi//8)`
    C
    `1//8`
    D
    `(1+sqrt(2))//2sqrt(2)`

  • The value of cos^(-1)(cos((7pi)/6))=

    A
    `(7pi)/6`
    B
    `(pi)/6`
    C
    `(5pi)/6`
    D
    `-(pi)/6`

  • (1+"cos"(pi)/8)(1+"cos"(3pi)/8)(1+"cos"(5pi)/8)(1+"cos"(7pi)/8)=

    A
    `1/8`
    B
    `1/2`
    C
    `1/(sqrt(3))`
    D
    `1/(sqrt(2))`

    • Similar Questions

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    The value of (1+cospi//6)(1+cospi//3)(1+cos2pi//3)(1+cos7pi//6) is

    The value of (1+ cos ""(pi)/(8))(1+cos""(3pi)/(8))(1+ cos ""(5pi)/(8)) (1+ cos "'(7pi)/(8)) is-

    The value of (1+cos((pi)/(9)))(1+cos((3 pi)/(9)))(1+cos((5 pi)/(9)))(1+cos((7 pi)/(9)))

    Evaluate: (1+cos(pi/8))(1+cos(3pi/8))(1+cos(5pi/8))(1+cos (7pi/8))

    Find the value of: (1+cos""(pi)/(8))(1+cos""(3pi)/(8))(1+cos""(5pi)/(8))(1+cos""(7pi)/(8))=?

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