Trigonometric Ratios
Math ⇒ Trigonometry
Trigonometric Ratios starts at 9 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Trigonometric Ratios.
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See sample questions for grade 9
Explain what is meant by the 'opposite side' in a right-angled triangle with respect to a given angle.
Explain why tan 90° is undefined.
If cos θ = 0.6 and the hypotenuse is 10 units, what is the length of the adjacent side?
If sin θ = 0.8 and the hypotenuse is 10 units, what is the length of the opposite side?
If sin θ = 3/5, what is cos θ? (Assume θ is in the first quadrant.)
If tan θ = 1, what is the value of θ between 0° and 90°?
If the adjacent side is 9 units and the opposite side is 12 units, what is tan θ?
If the hypotenuse is 10 units and the adjacent side is 6 units, what is cos θ?
If the hypotenuse is 13 units and the opposite side is 5 units, what is sin θ?
If the opposite side is 7 units and the adjacent side is 24 units in a right-angled triangle, what is tan θ?
If the opposite side is 8 units and the hypotenuse is 17 units, what is sin θ?
In a right-angled triangle, if the adjacent side to angle θ is 4 units and the hypotenuse is 5 units, find cos θ.
In a right-angled triangle, if the length of the side opposite to angle θ is 3 units and the hypotenuse is 5 units, what is sin θ?
State the Pythagorean identity involving sin θ and cos θ.
State the three primary trigonometric ratios.
What is the relationship between the trigonometric ratios of complementary angles?
What is the value of sin 90°?
