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warningiflirt

please help, The picture shows a triangular island. Which expression shows the value of q? A. r cos 55° , B. r sin 55°, C. s/sin55°, D. s/cos55°

  • 9 months ago
  • 9 months ago

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  1. warningiflirt
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    • 9 months ago
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  2. hartnn
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    do you know the definitions of sin and cos ratios ?

    • 9 months ago
  3. warningiflirt
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    sin opposite/hypot. cos adj/hypot. ?

    • 9 months ago
  4. hartnn
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    correct! so, can u find sin 55 and cos 55 ?

    • 9 months ago
  5. hartnn
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    what is adjacent side of 55 degree angle what is hypotnuse and what will be cos 55 then ?

    • 9 months ago
  6. warningiflirt
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    adjacent is s, hypotnuse is q, so s/q

    • 9 months ago
  7. hartnn
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    good!! cos 55 = s/ q so, q =.... ?

    • 9 months ago
  8. warningiflirt
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    cos 55 times s?

    • 9 months ago
  9. hartnn
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    not actually, first multiply 'q' on both sides, what u get ?

    • 9 months ago
  10. warningiflirt
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    s divided by cos 55 ?

    • 9 months ago
  11. hartnn
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    correct! :)

    • 9 months ago
  12. warningiflirt
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    yay thank you!

    • 9 months ago
  13. hartnn
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    welcome ^_^

    • 9 months ago
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