Question
What was the cost of Asia’s largest Sewage Treatment
Plant (STP) inaugurated in Okhla, Delhi?Solution
The Okhla STP, recognized as Asia’s largest sewage treatment plant, was built at a cost of ₹1,161 crore and was executed by the Suez Group (France).
If tan 3.5θ x tan 6.5θ = 1 then the value of tan 5θ is
If tan 4θ = cot 14θ, then find the value of cos 9θ.
What is the value of cos [(180 – θ)/2] cos [(180 – 9θ)/2] + sin [(180 – 3θ)/2] sin [(180 – 13θ)/2]?
If A lies in the first quadrant and 6 tan A = 5, then the value of 8 sin A−4 cos A / cos A+2 sin A is :
- If sin (3A − 4B) = (1/2) and cos (A + B) = (√2/2), where 0° < A, B < 90°, then find the value of ‘A’.
If 1 + sin 2θ = p2 and sin3 θ + cos3 θ = q then Which of the following is true ?Â
1. q3 – 2p + ...
- If X = 10°, find the value of:
cos²(3X) + sin²(6X) - tan²(3X) Find the value of tan(75°) using the identity for tan(A+B).
If sec a + tan a = 5/2, find the value of sin a.Â