Transverse velocity
(A)`hatr` (B)`vecr` (C)`theta` (D)`rhat(theta)`

Two bullets are fired at angles theta and 90-theta the ratio of their time of flights is (A) Tan theta:1 (B) 1:Tan theta (C) Tan^(2)theta:1 (D) 1:Tan^(2)theta

Let -> a and -> b be two unit vectors and is the angle between them. Then -> a+ -> b is a unit vector if (A) theta=pi/4 (B) theta=pi/3 (C) theta=pi/2 (D) theta=(2pi)/3

Find te valueof 1-2sin^2theta + sin^4theta . (A) sin^4theta (B) cos^4theta (C) tan^4theta (D) sec^4theta

If sec theta+tan theta=1, then one root of the eqection a(b-c)x^(2)+b(c-a)x+c(a-b)=0 is (A) tan theta(B)sec theta(C)cos theta(D)sin theta

The value of (1)/(8)(3-4cos2 theta+cos4 theta) is (A)cos4 theta(B)sin4 theta(C)sin^(4)theta(D)cos^(4)theta

(1+sec 2 theta)*sqrt(sec^(2) theta-1)= A) 2 sec theta B) sec 2 theta C) 2 tan theta D) tan 2 theta

int e^(tan theta)(sec theta-sin theta)d theta is equal to: (A)-e^(tan theta)sin theta+c(B)e^(tan theta)sin theta+c(C)-e^(tan theta)sec theta+c(D)e^(tan theta)cos theta+c

Which of the following statement is true? (A) sin theta=cos (90-theta) (B) cos theta=tan (90-theta) (C) sin theta=tan(90-theta) (D) tan theta=tan (90-theta)

(sin theta)/(1-cot theta)+(cos theta)/(1-tan theta) is equal to (a) 0 (b) 1(c)sin theta+cos theta(d)sin theta-cos theta

A body is projected obliquely from the ground with a speed 'u' and at an angle "'theta with the horizontal.It's velocity at the maximum height is (A) zero (B) u sin theta,(C) u cos theta (D) u