Which of the following is not a trigonometric identity?
Anonymous Quiz
19%
sin²A + cos²A = 1
16%
1 + tan²A = sec²A
12%
1 + cot²A = cosec²A
54%
sin²A - cos²A = 1
If x = a sec θ and y = b tan θ, then the value of (x²/a²) - (y²/b²) is:
Anonymous Quiz
31%
1
16%
-1
48%
a² - b²
6%
0
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If sin(A + B) = 1 and cos(A - B) = √3/2, where A and B are acute angles, then the values of A and B are:
Anonymous Quiz
50%
A=60°, B=30°
26%
A=75°, B=15°
17%
A=45°, B=45°
6%
A=60°, B=15°
❤4
The value of 2 tan 30° / (1 + tan² 30°) is equal to:
Anonymous Quiz
42%
sin 60°
31%
cos 60°
22%
tan 60°
4%
sin 30°
❤2🔥1
🔥1
In a right triangle, if one acute angle is θ, the value of sin θ / cos(90° - θ) is:
Anonymous Quiz
29%
tan θ
31%
cot θ
36%
1
4%
0
If sin A + sin²A = 1, then the value of the expression (cos²A + cos⁴A) is:
Anonymous Quiz
47%
1
38%
1/2
12%
2
3%
3
If sin θ = a/b, then cos θ is equal to:
Anonymous Quiz
21%
b/√(b²-a²)
49%
√(b²-a²)/b
14%
a/√(b²-a²)
16%
b/a
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The value of (1 + tan²A) / (1 + cot²A) is equal to:
Anonymous Quiz
18%
sec²A
24%
-1
28%
cot²A
29%
tan²A
👍1
If A, B and C are interior angles of a triangle ABC, then sin((B+C)/2) is equal to:
Anonymous Quiz
27%
sin(A/2)
42%
cos(A/2)
24%
-sin(A/2)
8%
-cos(A/2)
❤1
🔥1
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If tan 2A = cot (A - 18°), where 2A is an acute angle, find the value of A.
Anonymous Quiz
17%
18°
32%
24°
41%
36°
10%
48°
🔥1
If 5 tan θ = 4, then the value of (5 sin θ - 3 cos θ) / (5 sin θ + 2 cos θ) is:
Anonymous Quiz
12%
0
31%
1
51%
1/6
6%
6
🔥3
✨ Quote of the Day
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Success is the sum of small efforts repeated day in and day out! 💪
✅ Today's quiz on Introduction to Trigonometry is complete! Well done! 🎉
➡️ Tomorrow's Topic
Some Applications of Trigonometry
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See you tomorrow! 👋
NEXT QUIZ IN @class_10_science_notes in which quiz is going to start in 1 minute.
Some Applications of Trigonometry
📍 Channel: @Class_10_math_notes
See you tomorrow! 👋
NEXT QUIZ IN @class_10_science_notes in which quiz is going to start in 1 minute.
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