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purplemexican

  • one year ago

In right triangle ABC, when angles A and B add up to 90 degrees, what is the cosine of B equal to?

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  1. anonymous
    • one year ago
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    tje total angel in a triangle is 180

  2. anonymous
    • one year ago
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    so, probable 90 degree

  3. Purplemexican
    • one year ago
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    oh what sinB right?

  4. Purplemexican
    • one year ago
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    sin B c. sin A b. tan A d. cos A

  5. anonymous
    • one year ago
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    cosB=sinA since they might be both 45, 45 degrees

  6. Purplemexican
    • one year ago
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    oh

  7. Purplemexican
    • one year ago
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    thank you

  8. anonymous
    • one year ago
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    i wish i have a drawing . it would be better

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