NCERT Class 11-Math՚S: Chapter – 3 Trigonometric Functions Part 18 (For CBSE, ICSE, IAS, NET, NRA 2022)
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Question 57:
If
(A)
(B)
(C)
(D)
Answer: (B)
Question 58:
If is equal to
(A)
(B)
(C)
(D) None
Answer: (B)
Question 59:
If for real values of , then
(A) is an acute angle
(B) is right angle
(C) is an obtuse angle
(D) No value of is possible
Fill in the blanks in Exercises 60 to 67:
Answer: (D)
Question 60:
The value of is ________.
Answer: (1)
Question 61:
If then the numerical value of is ________.
Answer:
Question 62:
If then ________.
Answer:
Question 63:
If , then
(i)
(ii)
Answer:
Question 64:
In a triangle ABC with the equation whose roots are tan A and tan B is ________.
Answer:
Question 65:
Answer:
Question 66:
Given lie in the interval ________.
Answer:
Question 67:
The maximum distance of a point on the graph of the function from axis is ________.
Answer:
In Each of the Exercises 68 to 75, State Whether the Statements is True or False? Also Give Justification
Question 68:
If then
Answer: True
Question 69:
The equality holds for some real value of A.
Answer: False
Question 70:
is greater than .
Answer: False
Question 71:
Answer: True
Question 72:
One value of which satisfies the equation lies between and .
Answer: False
Question 73:
If
Answer: True
Question 74:
If
Answer: True
Question 75:
If
Answer: True
Question 76:
In the following match each item given under the column to its correct answer given under the column :
| (a) | (i) | ||
| (b) | (ii) | ||
| (c) | (iii) | ||
| (d) | (iv) |
Answer:
(a) ⟷ (iv)
(b) ⟷ (i)
(c) ⟷ (ii)
(d) ⟷ (iii)