`2*(pi)/(3)+(pi)/(6)=`

If tan theta + sectheta=sqrt3,0 < theta < pi, then theta is equal to............ A) pi/3 B) pi/6 C) (2pi)/(3) D) (5pi)/(6)

One of the principal solutions of sqrt(3) sec x=-2 is equal to a) (2pi)/(3) b) (pi)/(6) c) (5pi)/(6) d) (pi)/(3)

The angle between the circles x^(2)+y^(2)-4x-6y-3=0 x^(2)+y^(2)+8x-4y+11=0 , 1.)(pi)/(2) 2.) (pi)/(4) 3.) (pi)/(6) 4.)(pi)/(6)

If tan alpha=(x)/(x+1) andtan beta=(1)/(2x+1), then alpha+beta is equal to (pi)/(2) b.(pi)/(3) c.(pi)/(6) d.(pi)/(4), then alpha+beta

The principal solution of the trigonometric equation sqrt(3)sec theta+2=0 is 1. (pi)/(6) 2. (2 pi)/(3) 3. (pi)/(6) 4. (5pi)/6

int_((5)/(2))^(5)(sqrt((25-x^(2))^(3)))/(x^(4))dx is equal to (a) (pi)/(6)(b)(2 pi)/(3)(5 pi)/(6) (d) (pi)/(3)

1+sinx + sin^2(x) + .... = 4+2sqrt3, 0ltxltpi, x!=pi, then x = 1) (pi)/(3), (pi)/(4) 2) (pi)/(4), (pi)/(6) 3) (2 pi)/(5), (pi)/(6) 4) (pi)/(3), (2 pi)/(3)

If angle between bar(a) and bar( b) is (pi)/(3) then angle. Between 2bar( a) and -3bar(b) is. (A) (pi)/(3) (B) (2 pi)/(3) (C) (pi)/(6) (D) (5 pi)/(3)

Given both theta and phi are acute angles and sin theta=(1)/(2),cos varphi=(1)/(3), then the value of theta+varphi belongs to (a)((pi)/(3),(pi)/(2)]( b) ((pi)/(2),(2 pi)/(3)] (c) ((2 pi)/(3),(5 pi)/(6)] (d) ((5 pi)/(6),pi]

x=a cos t,y=a sin t then (d^(2)(y))/(dx^(2)) at t=(pi)/(3),(pi)/(6),(pi)/(2),(pi)/(4)