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Study
Sine & Cosine Rules
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Find the value of x.
9.36 mm
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Find the value of x.
54.1 degrees
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It's not your lucky day!
Zero points
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It's not your lucky day!
Zero points
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Do we use the sine or cosine rule here?
cosine
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Find the value of x.
36.5 degrees
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No question here!
Free 25 points
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Do we use the sine or cosine rule here?
sine
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Find the value of x.
7.91 mm
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Do we use the sine or cosine rule here?
cosine
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Bonus 10 points - One-one was a racehorse. Two-two was one too. One-one won one race. Two-two won one too.
Good job!
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Find the value of x.
72.6 degrees
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Find the value of x.
14.1 cm
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It's your lucky day!
Free 25 points
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Find the value of x.
11.3 cm
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Do we use the sine or cosine rule here?
sine
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Find the value of x.
48.6 degrees
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Bonus 10 points - If two witches were watching two watches: which witch would watch which watch?
Well Done!
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