Same chapter2 marksDifficulty: Easy
Write the value of sin 60° cos 30° − cos 60° sin 30°.
Trigonometric Identities
Original Khojo Papers practice question — not from a past board paper.
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No citable source has been recorded for this record. Treat it as practice material, not as fact.
At 45° the sine and cosine are equal, so their ratio is 1.
From the same topic and chapter, at a similar level.
Write the value of sin 60° cos 30° − cos 60° sin 30°.
Trigonometric Identities
The value of sin2θ + cos2θ is:
Trigonometric Identities
The value of sin235° + sin255° is:
Trigonometric Identities
Evaluate: sin 30° · cos 60° + cos 30° · sin 60°.
Trigonometric Identities
If sin θ = 3/5 and θ is acute, find cos θ and tan θ.
Trigonometric Identities
If tan θ = 4/3, find the value of (sin θ + cos θ)/(sin θ − cos θ).
Trigonometric Identities