Question
Two numbers P and Q are in the
ratio 5:8. If X is added to the smaller number and 12 is subtracted from the larger number, the new ratio of P and Q becomes 8:7. Determine the original value of P.Solution
ATQ, Let 'P' = '5a' So, 'Q' = 5a × (8/5) = '8a' ATQ; So, 'P' = 5 × 5 = 25
If sin(x + y) = 1 and sin(x - y) = (1/2), then what is the value of sinx cosx + 2sin2y + cos2y?Â
Simplify (cos13°+sin 13°) /(cos13°-sin13°)
If Sin 3A = Cos (A - 46°) where 3A is acute angle, then the Value of A is
Evaluate 3sin x – 4 sin3 x and figure out the correct answer from below option ?
If sin(x + y) = 3/5 and cos(x - y) = 12/13, where x, y ∈ [0, π/2], find sin(2x) + sin(2y).
Find the value of sin 240 °
What is the value of [tan2 (90 – θ) – sin2 (90 – θ)] cosec2 (90 – θ) cot2 (90 – θ)?
...- sin1440° - cot630° - sin120°cos150° is equal to: