Question
On which date is World Hydrography Day
celebrated?Solution
World Hydrography Day is celebrated on June 21st every year to raise awareness about hydrography and its crucial role in understanding our seas and oceans.
If 1 + sin 2θ = p2 and sin3 θ + cos3 θ = q then Which of the following is true ?Â
1. q3 – 2p + ...
Simplify the following trigonometric expression:
10 cos19∘ sec19∘ − 4cot28∘ tan28...
Find the value of sin265o + sin225o + cos235o + cos255o.
...- If sin 2a = (3/2), then find the value of (sin a + cos a).
- Find the value of sin²40° + sin²50° + cos²60° + cos²30°.
- If sin (3A − 4B) = (1/2) and cos (A + B) = (√2/2), where 0° < A, B < 90°, then find the value of ‘A’.
Solve the following trigonometric expression:

- Simplify the following trigonometric expression:
9 sin 36° csc 54° − 7 tan 47° cot 43° If secθ + tanθ = 3+√10, then the value of sinθ+cosθ is
What is the value of [tan2 (90 – θ) – sin2 (90 – θ)] cosec2 (90 – θ) cot2 (90 – θ)?
...