Brittney B.

asked • 04/01/20

Verifying identities, again

Is it possible to verify the following? I’m having a lot of trouble with it.


Edit: this is the original equation, and my teacher wants us to use difference of cubes. I was able to verify it, but I realized I didn’t use difference of cubes at all, and she will deduct. I keep messing it up when trying to use the difference of cubes.


tan6(x) - sec6(x)= -3tan2(x)·sec2(x)-1

Doug C.

What you have posted does not look like an identify to me. If you graph y = left side and y = right side the graphs should be identical. You might try posting the original identify.
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04/01/20

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Doug C. answered • 04/02/20

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