Question

Find a cofunction with the same value as the given expression.\\ $\tan\frac{2\pi}{7}$ \\ The answer is 

          Find a cofunction with the same value as the given expression.\\
$\tan\frac{2\pi}{7}$ \\
The answer is
Find a cofunction with the same value as the given expression. tan(2π)/(7) The answer is

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Precalculus with Limits
Precalculus with Limits
Ron Larson 2nd Edition
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Find a cofunction with the same value as the given expression. tan(2π)/(7) The answer is Find a cofunction with the same value as the given expression. 2π tanθ The answer is
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Transcript

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00:01 Am given the tangent of pi over 7.
00:06 Now i know that co -functions of complementary angles are equal.
00:20 So complementary means sum to 90 or in this case pi over 2.
00:28 So the tangent of pi over 7 is going to equal the cotangent of pi over 2 minus pi over 7...
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