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1 of 8
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Lesson
Practice
Choose a trigonometric ratio
DIFFICULTY
intro
standard
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exam
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Side-pair diagram 1
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Question 1 of 8
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Triangle RPQ. Right angle at Q; marked acute angle theta at R. RP = 17 cm, RQ = x cm. Not to scale.
17 cm
x cm
R
P
Q
θ
Triangle RPQ. Not to scale
1 mark
Choose the ratio needed to find the missing length
Cosine
Tangent
Sine
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