If \(6tan\theta-5\sqrt3sec\theta+12cot\theta=0\) where, \(0 <\theta< 90\), then value of \(cosec\theta +sec\theta\) is:
If cot2 θ + cot4 θ = 2, then the value of 2 sin4 θ + sin2 θ is:
If \(sin {πx\over 2}=x^2-2x+2\), then the value of x is
A certain loan was returned in two equal half-yearly installments each of ₹6,760. If the interest rate was 8% p.a., compounded annually, how much was the interest paid on the loan?
One dozen notebooks quoted at Rs. 125 are available at 20% discount. How many notebooks can be bought for Rs. 75?