Answer available
Class 10 · Mathematics · Trigonometric Identities
The value of tan 45° is:
1 markEasyMCQ
ICSE question bank
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15 questions
- Answer available
Class 10 · Mathematics · Trigonometric Identities
If sin θ = 3/5 and θ is acute, find cos θ and tan θ.
3 marksMediumNumerical
- Answer available
Class 10 · Mathematics · Trigonometric Identities
Prove that (sec A − tan A)(sec A + tan A) = 1.
3 marksMediumStructured
- Answer available
Class 10 · Mathematics · Trigonometric Identities
If 3 cot θ = 4 and θ is acute, find the value of (5 sin θ − 3 cos θ)/(5 sin θ + 3 cos θ).
3 marksMediumNumerical
- Answer available
Class 10 · Mathematics · Trigonometric Identities
Prove that (1 − cos2θ) cosec2θ = 1.
3 marksMediumStructured
- Answer available
Class 10 · Mathematics · Trigonometric Identities
Prove that (1 + sin A)/(1 − sin A) = (sec A + tan A)2.
4 marksHardStructured
- Answer available
Class 10 · Mathematics · Trigonometric Identities
If tan θ = 4/3, find the value of (sin θ + cos θ)/(sin θ − cos θ).
3 marksMediumNumerical
- Answer available
Class 10 · Mathematics · Trigonometric Identities
Write the value of sin 60° cos 30° − cos 60° sin 30°.
2 marksEasyNumerical
- Answer available
Class 10 · Mathematics · Trigonometric Identities
The value of sin2θ + cos2θ is:
1 markEasyMCQ
- Answer available
Class 10 · Mathematics · Trigonometric Identities
Prove that tan θ + cot θ = sec θ cosec θ.
3 marksMediumStructured
- Answer available
Class 10 · Mathematics · Trigonometric Identities
The value of 1 + cot2θ is:
1 markMediumMCQ
- Answer available
Class 10 · Mathematics · Trigonometric Identities
Evaluate (sin2 30° + cos2 45°) ÷ (tan2 60° − cot2 45°).
3 marksMediumNumerical
- Answer available
Class 10 · Mathematics · Trigonometric Identities
Evaluate: sin 30° · cos 60° + cos 30° · sin 60°.
2 marksEasyNumerical
- Answer available
Class 10 · Mathematics · Trigonometric Identities
Prove that (1 − cos2θ)(1 + cot2θ) = 1.
3 marksMediumStructured
- Answer available
Class 10 · Mathematics · Trigonometric Identities
The value of sin235° + sin255° is:
1 markEasyMCQ