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anonymous

  • 5 years ago

Determine the length of RS to the nearest tenth of a meter. Show the steps and your work. Thank you!

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  1. anonymous
    • 5 years ago
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  2. anonymous
    • 5 years ago
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    Do you know which trig ratio you can use in this problem?

  3. anonymous
    • 5 years ago
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    can you please show me this step by step. thank you

  4. anonymous
    • 5 years ago
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    No worries |dw:1327035521192:dw| \[cos \theta=\frac{A}{H}\]\[sin \theta=\frac{O}{H}\] \[tan \theta=\frac{O}{A}\] Which one do we have enough information to use?

  5. anonymous
    • 5 years ago
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    tan

  6. anonymous
    • 5 years ago
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    ?

  7. anonymous
    • 5 years ago
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    lol i suck in trig also sorries

  8. anonymous
    • 5 years ago
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    Not tan. We know theta and which side do we know, O, H or A?

  9. anonymous
    • 5 years ago
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    adjacent?

  10. anonymous
    • 5 years ago
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    i mean a

  11. Hero
    • 5 years ago
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    cos(17) = 18.8/RS RS = 18.8/cos(17)

  12. anonymous
    • 5 years ago
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    Perfect. We know adjacent since it is the side that touches the angle. So the trig ratio we'll use is cosine.

  13. anonymous
    • 5 years ago
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    BaileyC does this make sense or would you like me to explain it differently?

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spraguer (Moderator)
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