Expand the expression using the sum & difference identities and simplify.tan⁡(−θ−π2)\tan\left(-\theta-\frac{\pi}{2}\right)tan(−θ−2π)

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0. Review of College Algebra4h 43m
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2. Trigonometric Functions on Right Triangles2h 5m
3. Unit Circle1h 19m
4. Graphing Trigonometric Functions1h 19m
5. Inverse Trigonometric Functions and Basic Trigonometric Equations1h 41m
6. Trigonometric Identities and More Equations34m
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11. Graphing Complex Numbers1h 7m

6. Trigonometric Identities and More Equations

Sum and Difference Identities

Trigonometry6. Trigonometric Identities and More EquationsSum and Difference Identities

Multiple Choice

Expand the expression using the sum & difference identities and simplify.
$\tan\left(-\theta-\frac{\pi}{2}\right)$

$-\tan\theta$

$\tan\theta$

$-\cot\theta$

$\cot\theta$

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Expand the expression using the sum & difference identities and simplify.
$\tan\left(-\theta-\frac{\pi}{2}\right)$

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Expand the expression using the sum & difference identities and simplify.﻿tan⁡(−θ−π2)\tan\left(-\theta-\frac{\pi}{2}\right)tan(−θ−2π​)﻿

Expand the expression using the sum & difference identities and simplify.
$\tan\left(-\theta-\frac{\pi}{2}\right)$