Same chapter3 marksDifficulty: Medium
Find the value of sin 15°.
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3 marksDifficulty: Medium
Find the general solution of cos θ = 0.
Original Khojo Papers practice question — not from a past board paper.
Answer
θ = (2n + 1)π/2, where n is any integer.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The cosine vanishes at every odd multiple of a right angle.
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