Elementary Mathematics Topics
School level (Class 6–12) — Elementary Mathematics
Choose question count and time — session stays in your browser only.
filter_alt Topics
Number Systems
Algebra Basics
Mensuration
Statistics Intro
Trigonometry Basics
quiz Questions
Q241
Trigonometry Basics (Set 41) — Value of sin 30° is:
√3/2
1
0
1/2
Explanation
sin 30° = 1/2 (standard trigonometric ratio).
Q242
Trigonometry Basics (Set 42) — Value of cos 60° is:
1/2
√3/2
1
0
Explanation
cos 60° = 1/2.
Q243
Trigonometry Basics (Set 43) — Value of tan 45° is:
1
√3
0
1/2
Explanation
tan 45° = 1.
Q244
Trigonometry Basics (Set 44) — sin²θ + cos²θ equals:
tan²θ
1
2
0
Explanation
Pythagorean identity: sin²θ + cos²θ = 1.
Q245
Trigonometry Basics (Set 45) — Value of sin 30° is:
1
√3/2
0
1/2
Explanation
sin 30° = 1/2 (standard trigonometric ratio).
Q246
Trigonometry Basics (Set 46) — Value of cos 60° is:
0
1/2
1
√3/2
Explanation
cos 60° = 1/2.
Q247
Trigonometry Basics (Set 47) — Value of tan 45° is:
0
1
1/2
√3
Explanation
tan 45° = 1.
Q248
Trigonometry Basics (Set 48) — sin²θ + cos²θ equals:
1
0
2
tan²θ
Explanation
Pythagorean identity: sin²θ + cos²θ = 1.
Q249
Trigonometry Basics (Set 49) — Value of sin 30° is:
1/2
0
√3/2
1
Explanation
sin 30° = 1/2 (standard trigonometric ratio).
Q250
Trigonometry Basics (Set 50) — Value of cos 60° is:
√3/2
1/2
0
1
Explanation
cos 60° = 1/2.