If tan θ = 3/4, find sin θ and cos θ for an acute angle θ.
Trigonometrical Ratios
Original Khojo Papers practice question — not from a past board paper.
sin θ = 5/13 and cot θ = 12/5
No citable source has been recorded for this record. Treat it as practice material, not as fact.
The third side is √(169 − 144) = 5, so the sine is 5/13 and the cotangent is 12/5.
From the same topic and chapter, at a similar level.
If tan θ = 3/4, find sin θ and cos θ for an acute angle θ.
Trigonometrical Ratios
Prove that sin2θ + cos2θ = 1 for an acute angle θ.
Trigonometrical Ratios
If sin A = 5/13 and A is acute, find cos A and tan A.
Trigonometrical Ratios
State the three reciprocal relations and the two quotient relations among the trigonometric ratios.
Trigonometrical Ratios
Define the six trigonometric ratios of an acute angle of a right-angled triangle.
Trigonometrical Ratios
In a right-angled triangle, sin θ is:
Trigonometrical Ratios