What is the value of Sin 30° + Cos 30°?
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If x = a cosθ+ b sinθ and y = b cosθ- a sinθ, then x2 + y2 is equal to
If 3x+22x+1 = a2x+1+bx+2 be an identity, then the value of b
What is the equation of the line whose y-intercept is 4 and making an angle of 45° with the positive x-axis?
If (7x - 13) (12x + 3) = 14, then the value of x is ______ .
Rs. x invested at 8% simple interest per annum for 5 years yields the same interest as that on Rs. y invested at 7.5% simple interest per annum for 6years. Find x : y.
A circle and a square have same area. The ratio of the side of the square to the radius of the circle will be:
The ratio of present ages of Rangitha and Shaheen is 6:5. After 12 years the ratio of their ages will be 7:6. What is Rangitha's present age?
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