If sin θ = 1/2,write the value of (3cot2θ + 3)

# Mathematics

Home»Mathematics## Examgyani Latest Questions

a)7 b)7 47/79 c)8 d)8 47/49

If tan A = n tan B and sin A =m sin B, prove that cos2A = (m2-1)/(n2-1)

The number of polynomials having zeroes as -2 and 5 is (a) 1 (b) 2 (c) 3 (d) more than 3

If x + 1 is a factor of the polynomial 2x2 + kx, then the value of k is(a)-3 (b) 4 (c) 2 (d)-2

The area of an equilateral triangle with side 2√3 cm is(a) 5.196 cm2 (b) 0.866 cm2 ...

In figure, if ∠BAC =90° and AD⊥BC. Then, (a) BD.CD = BC² (b) AB.AC = BC² ...

Divide 56 into 4 parts which are in AP such that hte ratio of product of extremes to the product of mean is 5 : 6?

The zeros of the polynomial x2 – 2x – 3 are(A) -3, 1(B) -3, -1(C) 3, -1(D) 3, 1

Find the roots of quadratic equation 6x2 + 11x + 3 = 0