If sinθ+cosecθ=2, the value of sinnθ+cosecnθ is
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If x = a + 1/a, y = a - 1/a, then the value of x4+y4-2x2y2
A man buys a table and a chair for Rs. 500. He sells the table at a loss of 10% and the chair at a gain of 10%. He still gains Rs.10 on the whole. The cost price of chair in rupees is
The value of cosec260 + sec260 cot260 + tan230 will be
The point equidistant from the sides of a triangle is called
If a+b=5 and ab=3, then the value of (a2+b2) is
If x2+5x+6 = 0, then the value of 2xx2-7x+6 is