Same chapter3 marksDifficulty: Medium
Find the general solution of sin θ = 1/2.
Trigonometric Functions
Original Khojo Papers practice question — not from a past board paper.
150° = 5π/6 radians and 3π/4 radians = 135°.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
π radians equals 180°, so multiply by π/180 one way and by 180/π the other.
From the same topic and chapter, at a similar level.
Find the general solution of sin θ = 1/2.
Trigonometric Functions
If sin A = 3/5 and A lies in the second quadrant, find cos A and tan A.
Trigonometric Functions
Find the general solution of cos θ = 0.
Trigonometric Functions
Find the value of sin 75°.
Trigonometric Functions
Prove that cos 2A = 1 − 2sin2A.
Trigonometric Functions
Find the value of sin 15°.
Trigonometric Functions