Class 11th maths notes
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The value of 2 sin 15° cos 15° is:
Anonymous Quiz
38%
1/2
31%
1
20%
√3/2
11%
sin 30°
The principal value of the amplitude of 1 - i is:
Anonymous Quiz
48%
π/4
32%
-π/4
18%
3π/4
2%
-3π/4
❤1
If sin A = 3/5 and A is in the first quadrant, then sin 2A is:
Anonymous Quiz
48%
24/25
35%
12/25
9%
7/25
8%
1
❤1
The general solution for tan x = √3 is:
Anonymous Quiz
36%
nπ + π/3
39%
2nπ ± π/3
19%
nπ ± π/3
7%
nπ + π/6
🔥3❤1
What is the degree measure of (5π/3) radians?
Anonymous Quiz
24%
150°
24%
240°
47%
300°
5%
330°
🔥2
The period of the function f(x) = cos(3x + 5) is:
Anonymous Quiz
35%
2π/3
35%
2π
17%
π
12%
3π/2
🔥1
The value of (1 - tan² 15°)/(1 + tan² 15°) is:
Anonymous Quiz
28%
1
36%
√3
30%
√3/2
6%
1/2
❤2🔥1
The minimum value of 3 cos x + 4 sin x + 5 is:
Anonymous Quiz
41%
0
32%
1
18%
5
9%
9
🔥1
If tan A = 1/2 and tan B = 1/3, then tan(A + B) is:
Anonymous Quiz
27%
1
49%
5/6
14%
6/5
10%
1/6
❤4
The expression (sin 3x + sin x) / (cos 3x + cos x) is equal to:
Anonymous Quiz
39%
tan x
40%
tan 2x
16%
cot x
5%
cot 2x
🔥2
In which quadrant does the angle -11π/3 lie?
Anonymous Quiz
30%
First
35%
Second
25%
Third
10%
Fourth
🔥2
The value of cos 52° + cos 68° + cos 172° is:
Anonymous Quiz
39%
0
37%
1
20%
-1
4%
2
👍7
A wheel makes 360 revolutions in one minute. Through how many radians does it turn in one second?
Anonymous Quiz
35%
12π
41%
2π
18%
6π
5%
10π
❤2👍2
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Statistics Notes with practice questions

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