Question
Which of the following lakes is a saltwater
lake?Solution
Among the lakes you mentioned, Chilika Lake is a saltwater lake. It is located in Odisha, India, and is one of the largest coastal lagoons in the world. The other lakes listed (Superior, Malawi, and Titicaca) are freshwater lakes.
If 8sin²x + 4cos²x − 6 = 0, then find the value of sinx, given that 0° < x < 90°.
- If X = 10°, find the value of:
cos²(3X) + sin²(6X) - tan²(3X) - Determine the value of following trigonometric expression:

If cos 2A = 3, then find cos A
cot 13Ëš Â
 cot 14˚  ...- Find the maximum value of (11sin A + 60cos A).
If sec(2A + B) = 2 and cos(A + B) = (1/√2) , find the value of {sec 2B + tan (A + B) } given that 0o < A, B < 90o
If cos3B = sin(0.5B + 6°), then find the measure of 'B'.
sin2 4˚ + sin2 6˚ + sin2 8˚ + sin2 10˚ + ……… + sin2 86˚ =?
Find the exact value of cos120°