Question
Which of the following rock is not sedimentary
rock?Solution
Granite is a common type of Igneous rock that is granular and phaneritic in nature.
- Find the maximum value of (12sin A + 16cos A).
- If sin (4A − 5B) = (√2/2) and cos (A + B) = (√2/2), where 0° < A, B < 90°, then find the value of ‘A’.
If tan 4θ = cot 14θ, then find the value of cos 9θ.
What is the value of (1 - sin A)/(1 + Sin A) given that tan A = 5/12 and 0° ≤ A ≤ 90°.



If cos θ + sin θ = m, sec θ + cosec θ = n then n(m 2 – 1) is equal to?
A 16-meter-long rope is stretched from the ground to the top of a house, forming a 30° angle with the ground. Determine the height of the house.
If x = 4 cos A + 5 sin A snd y = 4 sin A – 5 cos A, then the value of x2+y2 is :