Question
Among below given statements, only one statement is
correct. Select the correct statement.Solution
Imaginary lines that joint the points of equal elevation are called contours. Contours never intersect each other.
Find the maximum value of 18 sin A + 7 cos A.
- If sin 2a = (3/2), then find the value of (sin a + cos a).
- If X = 15°, find the value of:
sin²(3X) + cos²(4X) - tan²(2X) cot 13Ëš Â
 cot 14˚  ...If 2x = cosec @ and 4/x = cot @ then the value of 2(x ² - 1/x ² ) is
Solve for 0° ≤ θ ≤ 360°:
2 sin²θ + 3 sinθ − 2 = 0
- Simplify the following trigonometric expression:
sin 2A + sin 2B Find the value of the given expression.
2 × (sec 60° – sin 30°)
If cos θ + sin θ = m, sec θ + cosec θ = n then n(m 2 – 1) is equal to?
if x sin 45 Ëš Â = y cosec 30 Ëš Â then find the value ofÂ