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alyssababy7

  • 2 years ago

How can i verify cot θ ∙ sec θ = csc θ?

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  1. henpen
    • 2 years ago
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    First- stop writing csc, sec, cot and such- it's just confusing- convert immediately to 1/sin,1/cos etc.

  2. henpen
    • 2 years ago
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    and then use either tan=sin/cos or sin^2+cos^2=1 from these 2 formulas you derive most of the stuff in trig

  3. henpen
    • 2 years ago
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    So here,\[\frac{1}{tan}\frac{1}{cos}=\frac{1}{sin}\] Use tan=sin/cos, and it's obvious

  4. alyssababy7
    • 2 years ago
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    thank you

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