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Lv 7
? asked in Science & MathematicsMathematics · 1 decade ago

does tan^2=(sin/cos)^2?

just wondering if this can be done to facilitate proofs

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  • Anonymous
    1 decade ago
    Favorite Answer

    yes

  • 1 decade ago

    yep it is true! ...look at this

    tanx^2=(sinx/cosx)^2 .... square root both sides u get tanx = sinx/cosx

    still unsure?

    Try any value for x lets say x=44

    (tan44)^2 = (sin44/cos44)^2

    both sides u get 0.932554809...

    so there it is tan^2 = (sin/cos)^2

    BEST ANSWER PLEASEE!!!

    Source(s): www.wolframalpha.com
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