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ericatrang

  • 3 years ago

if y=sin^2x+cos^2x, determine d^2y/dx^2

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  1. baldymcgee6
    • 3 years ago
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    |dw:1351646960915:dw|

  2. ericatrang
    • 3 years ago
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    would that equal 0?

  3. baldymcgee6
    • 3 years ago
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    How does that equal zero? can you show some work?

  4. ericatrang
    • 3 years ago
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    |dw:1351647266459:dw|

  5. baldymcgee6
    • 3 years ago
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    |dw:1351647594683:dw|

  6. ericatrang
    • 3 years ago
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    Thank you, I learned that when there's cos it automatically becomes -sin and skipped the power. This did help though.

  7. baldymcgee6
    • 3 years ago
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    you're welcome..

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