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The value of cot70^0+4cos70^0 is (a)1/...

The value of `cot70^0+4cos70^0` is (a)`1/(sqrt(3))` (b) `sqrt(3)` (c) `2sqrt(3)` (d) `1/2`

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Knowledge Check

  • If tan15^@=2-sqrt3 , then the value of cot^2""75^@ (a) 7+sqrt3 (b) 7-2sqrt3 (c) 7-4sqrt3 (d) 7+4sqrt3

    A
    `7+sqrt3`
    B
    `7-2sqrt3`
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    `7-4sqrt3`
    D
    `7+4sqrt3`

  • The value of cos^(-1)(cos(2tan^(-1)((sqrt(3)+1)/(sqrt(4-2sqrt(3)))))) is

    A
    `(pi)/6`
    B
    `(5pi)/6`
    C
    `(5pi)/12`
    D
    `(pi)/12`

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