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anonymous

  • 4 years ago

Side a=12 measure of angle B = 70 measure of angle C= 15 How do I find the answer using Law of Sines?

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  1. precal
    • 4 years ago
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    for the laws of sine you need one angle and side. 180 - 70-15=95 degrees is angle a a/sin(A) = b/sin(B) small letters denote sides, Capital letters denote Angles

  2. precal
    • 4 years ago
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    To find side c use a/sin(A)=c/sin(C)

  3. anonymous
    • 4 years ago
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    Thanks! Your a life saver!

  4. precal
    • 4 years ago
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    Make sure your calculator is in degree mode.

  5. anonymous
    • 4 years ago
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    Always, if not my teacher would kill me!

  6. precal
    • 4 years ago
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    Well in precal, we go back and forth from degrees to radians, In calculus, we stay in radian.

  7. anonymous
    • 4 years ago
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    Wow in geometry we just stay in degree because we only use the calc of Sine, Cosine, and Tangent.

  8. precal
    • 4 years ago
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    Yes, I forgot in geometry they also, stay in the land of degrees. If you plan to study the higher mathematics, you will have to visit the land of radian.

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