Find value of
`2 cos (theta -frac(pi)(2)) + 3sin (theta + frac(pi)(2))`
(a)1
(b)0
(c)2
(d)3

Find the minimum value of 2cos theta+(1)/(sin theta)+sqrt(2)tan theta in(0,(pi)/(2))

the value of cos^(2)theta+cos^(2)((2 pi)/(3)-theta)+cos^(2)((2 pi)/(3)+theta) is (a) 3 (b) (1)/(2)(c)(3)/(2) (d)none of these

The value of theta satisfying the given equation cos theta+sqrt(3)sin theta=2, is (A) (pi)/(3)(B)(5 pi)/(3)(C)(2 pi)/(3) (D) (4 pi)/(3)

Find the values of cos theta and tan theta when sin theta =-3/5 and pi < theta < (3pi)/2

The value of cos^(2)((pi)/(6)+theta)-s in62((pi)/(6)-theta) is a(i)/(2)cos2 theta b.0c.-(1)/(2)cos2 theta d.(1)/(2)

The value of tan theta sin((pi)/(2)+theta)cos((pi)/(2)-theta) is -1 b.1 c.(1)/(2)sin2 theta d.none of these

If (x)/(cos theta)=(y)/(cos(theta-(2 pi)/(3)))=(z)/(cos(theta+(2 pi)/(3))) then x+y+z is (a)1(b)0(c)-1(d) none of these

The period of cos5 theta is (a) pi^(2) (b) 2 pi (c) 2 pi/5 (d) pi/3

If theta in ((pi)/(2), (3pi)/(2)), then the value of sqrt(4 cos ^(4) theta + sin ^(2) 2 theta) + 4 cot theta cos ^(2) ((pi)/(4) +(theta)/(2)) is

If (3 pi)/(2)