Let the salary be Rs.100x. Salary spent on entertainment and makeup together = 20% of 100x = 20x Salary spent on food = 20% of (100x – 20x) = 16x Remaining salary = 80x – 16x = 64x Salary invested in mutual funds = 50% of 64x = 32x Amount she spent on clothing = 5000 × (32x/20x) = Rs.8000
If sin(3θ) = cos(2θ), then find the value of θ between 0 and 90 degrees.
If x = r sin A cos B, y = r sin A sin B and z = r cos A, then find x² + y² + z².
cot 4˚ x cot 47˚ x cot 42.3˚ x cot 43˚ x cot 47.7˚ x cot 86˚= ?
What is the value of [tan2 (90 – θ) – sin2 (90 – θ)] cosec2 (90 – θ) cot2 (90 – θ)?
...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...
Evaluate 3sin x – 4 sin3 x and figure out the correct answer from below option ?
If tan θ = 4/3 and θ is an acute angle, find the value of sin θ + cos θ.
In ∆ABC, AB = 5cm, BC = 6cm and AC = 10cm then find out the value of cos A?