Question
World Water Day is observed annually on which
date?Solution
World Water Day is observed on 22nd March to highlight the importance of freshwater and spread awareness. It was first celebrated in 1993 following a UN resolution in 1992.
tan 20Ëš x tan 23Ëš x tan 67Ëš x tan 70Ëš = ?
If 0 ≤ θ ≤ 90°, and sin(2 θ +50°) = cos (4 θ + 16°), then what is the value of θ (in degrees)?
If cos θ + sec θ = √2, then the value of cos³ θ+ sec³ θ is:
If sec a + tan a = 3/2, find the value of sin a.Â
A tree of height 'h' metres is broken by storm in such a way that its top touches the ground at a distance of 'x' metres from t...
If cos 2A = 7, then find cos A
Find the value of `1/2`  cosec 10  - `2/(cosec 70)`  ?
- If sin 2a = (3/4), then find the value of (sin a + cos a).
If tan A = 1, then what will be the value of sec² A + cosec² A?