Start learning 50% faster. Sign in now
ATQ, After removal of 70 litres of mixture, Let the initial quantity of water be '100c' litres. Initial quantity of sugar = 0.25 × 100c = '25c' litres. ATQ, 100c - 25c = 18 Or, 75c = 18 Or, 'c' = 18/75 = 0.24 Therefore, final quantity of water = 100c + 10 = 100 × 0.24 + 10 = 24 + 10 = 34 litres
Find the value of sin265o + sin225o + cos235o + cos255o.
...If sin θ + cos θ = 1.2, find the value of sin θ. cos θ.
What is the value of cos75°?
What is the value of cos [(180 – θ)/2] cos [(180 – 9θ)/2] + sin [(180 – 3θ)/2] sin [(180 – 13θ)/2]?
Simplify the following trigonometric expression:
12 cos 68o cosec 22o - 3 cot 72o cot 18o
A person is standing at a point 120 meters away from a tower. The angle of elevation to the top of the tower is 60°. If the height of the tower increas...
If sin3A = cos(5A-30°), then what is the value of A? Given that 3A is an acute angle.
If sinAo = (√3/2), then find the value of (sin245o + cos230o) × A ÷ 5 given that 0 < A < 90...