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A DAS GUPTA-Circular Functions, Identities -Exercise
- If alpha, beta are two values lying between 0 and 2pi for which tan t...
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- sin theta = x + 1/x is possible for some real values of x.
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- Is (sec x + tan x + 1)(sec x - tan x - 1) - 2tan x = 0 an identity.
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- The maximum value of 5cos theta + 12 sin theta is 17. This statement ...
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- If x = rsin theta*cos phi, y = rsin theta*sin phi and z = rcos theta ...
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- The minimum value of 3 cos x+4 sin x+8 is:
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- tan 22 1^circ/2 is a root of the equation - (1+x^(2))/(1- x^(2)) = sq...
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- If tan theta= 2 is satisfied by alpha, beta then the value of frac{tan...
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- sin 1^circ lt sin 1. Given statement is true or false.
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- If sin alpha = -3/5,pi lt alpha lt 3pi/2 then cos alpha/2 = 1/sqrt10
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- If (1)/(x + y) = (1)/(2) and (1)/(x -y) = (1)/(3), then x = and y =
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- In the following incomplete sentences fill in the blanks such that the...
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- In the following incomplete sentences fill in the blanks such that the...
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- In the following incomplete sentences fill in the blanks such that the...
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- In the following incomplete sentences fill in the blanks such that the...
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- If un = 2cos n theta then u1un - u(n-1) is equal to
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- If xcostheta=ycos(theta+(2pi)/(3))=zcos(theta+(4pi)/(3)), then (1)/(x)...
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- If cos alpha + cos beta + cos gamma = 0 then cos 3alpha + cos 3beta + ...
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- A factor of cos 4theta - cos 4phi is
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- The chord AB of a circle subtends an angle of frac {2pi}{3} at a point...
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