NCERT Class 11-Math's: Chapter –3 Trigonometric Functions Part 17
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Question 48:
The value of is
(A)
(B)
(C)
(D)
Answer: (C)
Question 49:
The value of is equal to
(A)
(B)
(C)
(D)
Answer: (B)
Question 50:
If , then the value of sin 2θ is equal to
(A)
(B)
(C)
(D)
Answer: (C)
Question 51:
If then the value of is
(A)
(B)
(C)
(D) Not defined
Answer: (B)
Question 52:
If lies in third quadrant then the value of is
(A)
(B)
(C)
(D)
Answer: (C)
Question 53:
Number of solutions of the equation lying in the interval is
(A)
(B)
(C)
(D)
Answer: (C)
Question 54:
The value of is given by
(A)
(B)
(C)
(D)
Answer: (A)
Question 55:
If A lies in the second quadrant and , then the value of is equal to
(A)
(B)
(C)
(D)
Answer: (B)
Question 56:
The value of is
(A)
(B)
(C)
(D)
Answer: (A)