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How do I do this? I can't remember how

How do I do this? I can't remember how-example-1
User Zeroboo
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1 Answer

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the picture you drew is incorrect

the long side (hypothenuse) is 7 m
you know the angle is 78 degrees

you can apply the definition of sine


sin(\theta) = (opposite\ side)/(hypothenuse)


User SquidsEnMasse
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