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1 of 8
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Practice
Choose a trigonometric ratio
DIFFICULTY
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Side-pair diagram 1
Side-pair diagram 2
Side-pair diagram 3
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Question 1 of 8
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Triangle PRQ. Right angle at Q; marked acute angle theta at R. PR = 31 cm, PQ = x cm. Not to scale.
31 cm
x cm
P
R
Q
θ
Triangle PRQ. Not to scale
1 mark
Choose the ratio needed to find the missing length
Cosine
Sine
Tangent
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