Write the values of sin 30°, cos 60° and tan 45°.
Trigonometrical Ratios of Standard Angles
Original Khojo Papers practice question — not from a past board paper.
√3
No citable source has been recorded for this record. Treat it as practice material, not as fact.
tan 30° is 1/√3 and tan 45° is 1.
From the same topic and chapter, at a similar level.
Write the values of sin 30°, cos 60° and tan 45°.
Trigonometrical Ratios of Standard Angles
If sin θ = cos θ and θ is acute, find θ.
Trigonometrical Ratios of Standard Angles
Evaluate sin 60° cos 30° + cos 60° sin 30°.
Trigonometrical Ratios of Standard Angles
Evaluate (sin 30° + cos 60°) ÷ (tan 45° + cot 45°).
Trigonometrical Ratios of Standard Angles
Evaluate 2 tan245° + cos230° − sin260°.
Trigonometrical Ratios of Standard Angles
If 2 cos θ = 1 and θ is acute, find θ and the value of sin θ.
Trigonometrical Ratios of Standard Angles