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「SUZAKU」
Lv 6
「SUZAKU」 asked in Science & MathematicsMathematics · 8 years ago

Calculus problems on limits?

Can someone explain how to find the limit of 7sin(5x) / sin(4x) as x->0 and tan(6z) / sin(3z) as z->0?

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  • Zero
    Lv 4
    8 years ago

    Use L'Hopital's Rule.

    35cos(5x) / 4cos(4x) as x->0 = 35/4

    6sec^2(6z) / 3cos(3z) z->0 = 6/3 = 2

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