Elementary Mathematics Topics
School level (Class 6–12) — Elementary Mathematics
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filter_alt Topics
Number Systems
Algebra Basics
Mensuration
Statistics Intro
Trigonometry Basics
quiz Questions
Q231
Trigonometry Basics (Set 31) — Value of tan 45° is:
1/2
1
√3
0
Explanation
tan 45° = 1.
Q232
Trigonometry Basics (Set 32) — sin²θ + cos²θ equals:
tan²θ
2
0
1
Explanation
Pythagorean identity: sin²θ + cos²θ = 1.
Q233
Trigonometry Basics (Set 33) — Value of sin 30° is:
√3/2
1
1/2
0
Explanation
sin 30° = 1/2 (standard trigonometric ratio).
Q234
Trigonometry Basics (Set 34) — Value of cos 60° is:
1/2
√3/2
0
1
Explanation
cos 60° = 1/2.
Q235
Trigonometry Basics (Set 35) — Value of tan 45° is:
√3
1/2
0
1
Explanation
tan 45° = 1.
Q236
Trigonometry Basics (Set 36) — sin²θ + cos²θ equals:
1
tan²θ
0
2
Explanation
Pythagorean identity: sin²θ + cos²θ = 1.
Q237
Trigonometry Basics (Set 37) — Value of sin 30° is:
1
1/2
0
√3/2
Explanation
sin 30° = 1/2 (standard trigonometric ratio).
Q238
Trigonometry Basics (Set 38) — Value of cos 60° is:
1/2
0
√3/2
1
Explanation
cos 60° = 1/2.
Q239
Trigonometry Basics (Set 39) — Value of tan 45° is:
0
1
1/2
√3
Explanation
tan 45° = 1.
Q240
Trigonometry Basics (Set 40) — sin²θ + cos²θ equals:
2
1
0
tan²θ
Explanation
Pythagorean identity: sin²θ + cos²θ = 1.