If sinθ + cosθ = 1, then the sinθ cosθ is equal to
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If a = 3+23-2, b = 3-23+2 then a2+b2-ab ?
What is the value of sec 4π/3?
In the following question, select the odd letter/letters from the given alternatives.
The value of (1 - √2) + (√2 - √3) + (√3 - √4) + ..... + (√15 - √16) is
The sum of 10 terms of the arithmetic series is 390. If the third term of the series is 19. Find the first term
What should be added to 3(x - 2y) to obtain 2(3x + y) - 5(2x + 3)?
In an isosceles triangle ABC, AB = AC, XY || BC. If ∡A = 30, then ∡BXY =
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