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Time-Temperature indicator is not an internal indicator. The principle/reagents used are- mechanical, chemical and enzymatic. It gives information about storage conditions. Its application is in food stored under chilled frozen conditions.
Solve the following trigonometric expression:
If x = r sin A cos B, y = r sin A sin B and z = r cos A, then find x² + y² + z².
sin2 17˚ + sin2 19˚ + sin2 21˚ + sin2 23˚ + ……… + sin2 77˚ = ?
A 16-meter-long rope is stretched from the ground to the top of a house, forming a 30° angle with the ground. Determine the height of the house.
If sin x + cos x = √2 sin x, then the value of sin x - cos x is:
What is the value of 4/3 (sin ² 65 º + sin ² 25 º ).
Two points P and Q are at the distance of x and y (where y > x) respectively from the base of a building and on a straight line. If the angles of elevat...
