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In a 500 m race, the ratio of the speeds of two contestants A and B is 3 : 4. A has a start of 140 m. Then, A wins by:
If cosecθ - cotθ = \({1 \over a}\), then \( {a^2-1 \over a^2+1}\) is
If \(sin α + csc α = tan{\pi\over 3}\), then the value of (sin3α + csc3α) is equal to:
After giving three successive discounts of 15%, 5% and p%, respectively, on the marked price of an article of Rs. 4,800, It is sold for Rs. 3,100.80. What is the value of p?
If x cosA - y sinA = 1 and x sinA + y cosA = 4, then the value of \(17x^2+17y^2\) is: