MCQ Question for class 11 Trigonometry Mathematics and Physics
Welcome student Today we will going to mentioned the "MCQ Question for class 11 Trigonometry Mathematics and Physics" this MCQ is highly recommended by Master of mathematics and best for exams point of view, and very helpful for competitive exams.
Question 1.
The greatest value of sinx cosx is -
(a) 1
(b) 2
(c) √2
(d) 1/2
(a) 1
(b) 2
(c) √2
(d) 1/2
Answer
(d) 1/2Question 2.
If sinx + cosecx = 2, then sin² + cosec²x is equal to -
(a) 1
(b) 4
(c) 2
(d) None of these
Answer
(c) 2Question 3.
Which of the following is not correct -
(a) sin x = - 1/5
(b) cos x = 1
(c) Sec x = 1/2
(d) tan x = 20
Answer
(c) Sec x = 1/2 Question 4.
The value of tan1° × tan2° × tan3° ……..… tan89° is -
(a) 0
(b) 1
(c) 1/2
(d) Not defined
Answer
(b) 1 Question 5.
The value of cos1° × cos2° × cos3° ……..… cos179° is -
(a) 1 / √2
(b) 0
(c) 1
(d) –1
Answer
(b) 0 Question 6.
The minimum value of 3cosx + 4sinx + 8 is -
(a) 5
(b) 9
(c) 7
(d) 3
Answer
(d) 3 Question 7.
The value of sin50° – sin70° + sin10° is equal to -------
(a) 1
(b) 0
(c) 1/2
(d) 2
Answer
(b) 0 Question 8.
f sin x + cos x = 1, then the value of sin2x is equal to -
(a) 1
(b) 1/√34
(c) 0
(d) 2
Answer
(c) 0 Question 9.
The number of solutions of the equation 4sinx – 3cosx = 7 are -
(a) 0
(b) 1
(c) 2
(d) 3
Answer
(a) 0 Question 10.
If P = 2sin²x – cos²x, then P lies in the interval -----
(a) [1, 3]
(b) [1, 2]
(c) [–1, 2]
(d) None of these
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