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Popular Questions
- The greatest and least values of (sin-1x )2 + (cos-1x)2 are respectively
- the value of sin n 55 degree - cos55 degree/sin 10 degree is
- Tan ^-1 (x/root a^-x^) is equal to
-
Let 0 < x
- the value of cot
- The value of sin 36 degree sin 72 degree sin 108 degree sin 144 degree is
- cot^-1 (2.1^2) + cot^-1 (2.2^2) + cot^-1 (2.3^2) + ... upto is equal to
- The value of x for which sin (cot ^-1 (1+ x)) + cos (tan-1 x) is
- The value of sin
- The cos -1x = a, (0< x < 1) and sin^ -1
-
If0
- If we consider only the principle values of the inverse trigonometric functions then the value of
- The value of tan 67
- The number of real solutions of
- The general solution of
- Number of solutions of the expression
- The solution of tan^-1 2theta + tan^-1 3theta = pie/4 is
- The number of value(s) of x in which tan^-1 (1/χ) = pie tan-^1 x, 0 < x < 1
- If cos x = 3 cosy, then 2 tan y-x/2 is equal to
- if sin^1 (x - x^2/2 + x^/4 - ...)
- The value of the expression root 3 cos es 20 degree - sec 20 degree is
- the latus rectum of a parabola whose directrix is x + y - 2 = 0 and focus is ( 3 Q 4 ) is
- If a ,beta and y E [0,pie] and a ,beta , y are in AP, then
- If x > 0, y > 0, z > 0, xy + yz + zx < 1 and tan-1 x + tan-1 y + tan-1 z = pie, then x + y + z is equal to
- cos ( sin -1 5/13 ) =
- The value of
- If (tan^-1 x)^2 + (cot^-1 x )^2 = 5pie ^2/8 , then x is equal to
- if the vertex of a parabola be at orgin and directrix be x + 5 = 0 then its latus rectum is
- cot -1 ( - root 3 ) =
- If sin^-1 1/3 + sin^-1 2/3 = sin^-1 x, then the value of x is
- The equation (cos p - 1) x^2 + (cos p)x + sin p = 0 In the variable x, has real roots. Then p can take any value in the interval
- If root 3 + i = (a + ib)(c + id), then tan ^1 (b/a)+ tan ^-1 (b/c) has the value
- The value of 2cot2 (pie /6) + 4tan2 (pie /6) - 3cosec pie/6 is
- If a ,beta E (0,pie/2), sin a = 4/5 and cos (a + beta) = -(12/13), then sin beta is equal to
- If cos (a + beta ) = 4/5 and sin (a - beta ) = 5/13, where 0 < - a ,beta < - pie /4, then tan 2a is equal to
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The equation 2 cos^2 x/2 sin ^2 =x^2 +x^-2, 0
- If tan theta = - 4/3, then sin theta is
- Given A = sin ^2 theta then for all real value s of theta
- cos 1 degree + cos 2degree + cos 3 gegree + ...+ cos 180 degree is equal to
