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tan 22 1^circ/2 is a root of the equatio...

`tan 22 1^circ/2` is a root of the equation - `(1+x^(2))/(1- x^(2)) = sqrt2`.

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A DAS GUPTA-Circular Functions, Identities -Exercise
  1. If x = rsin theta*cos phi, y = rsin theta*sin phi and z = rcos theta ...

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  2. The minimum value of 3 cos x+4 sin x+8 is:

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  3. tan 22 1^circ/2 is a root of the equation - (1+x^(2))/(1- x^(2)) = sq...

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  4. If tan theta= 2 is satisfied by alpha, beta then the value of frac{tan...

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  5. sin 1^circ lt sin 1. Given statement is true or false.

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  6. If sin alpha = -3/5,pi lt alpha lt 3pi/2 then cos alpha/2 = 1/sqrt10

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  7. If (1)/(x + y) = (1)/(2) and (1)/(x -y) = (1)/(3), then x = and y =

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  8. In the following incomplete sentences fill in the blanks such that the...

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  9. In the following incomplete sentences fill in the blanks such that the...

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  10. In the following incomplete sentences fill in the blanks such that the...

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  11. In the following incomplete sentences fill in the blanks such that the...

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  12. If un = 2cos n theta then u1un - u(n-1) is equal to

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  13. If xcostheta=ycos(theta+(2pi)/(3))=zcos(theta+(4pi)/(3)), then (1)/(x)...

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  14. If cos alpha + cos beta + cos gamma = 0 then cos 3alpha + cos 3beta + ...

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  15. A factor of cos 4theta - cos 4phi is

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  16. The chord AB of a circle subtends an angle of frac {2pi}{3} at a point...

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  17. If sin alpha + cos alpha = lambda then find |sin^(6) alpha - cos^(6) a...

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  18. A container is filled with a simple of gas having molecules with speed...

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  19. AB and CD are two parallel chords of a circle of radius 6 cm lying on ...

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  20. Eliminate theta between cosec theta -sin theta = m and sec theta - cos...

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