Question 2sin11 15' is equal -

Q.2sin11^(@)15' is equal -

The value of sin^2 75^@-sin^2 15^@ is equal to:

The value of sqrt(2) (cos 15^@ - sin 15^@ ) is equal to

The value of cos15^@-sin15^@ is equal to

The value of cos 15^(@) - sin 15^(@) is equal to

Let 3, 7, 11, 15, ...., 403 and 2, 5, 8, 11, . . ., 404 be two arithmetic progressions. Then the sum, of the common terms in them, is equal to _________.

The value of cos 15^(@) - sin 15^(@) is equal to .................. A) (1)/(sqrt2) B) (1)/(2) C) -(1)/(sqrt2) D) 0

Examples-1 Questions 11 to 30||Examples-2 Questions 01 to 15