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