Question
Cheetah was officially declared extinct in India in
which year?Solution
In 1952, they were officially declared extinct in India. Since then, India has held many discussions on how to reintroduce the animal back to its ecosystem and considered offers from the governments of Iran and Kenya.
Simplify the following trigonometric expression:
10 cos 71° sec 19° − 4 cot 62° tan 28°If 7sin²θ + 3cos²θ = 4, then find the value of θ?
The angle of depression of vertex of a regular hexagon lying in a horizontal plane, form the top of a tower of height 135 m located at the centre of the...
- If sin (2A − 3B) = (1/2) and cos (A + B) = (√3/2), where 0° < A, B < 90°, then find the value of ‘A’.
If (3cos A - sin A) = 2 cos (90° - A), then find the value of cot A.
- Simplify the following trigonometric expression:
15 cos 27° sec 63° − 9 cot 61° tan 29° What is the value of 1/(1+tan 2 θ ) + 1 / (1+cot 2 θ ) = ?
...
Find the value of sin265o + sin225o + cos235o + cos255o.
...If cos θ + sin θ = m, sec θ + cosec θ = n then n(m 2 – 1) is equal to?
