These lessons, with videos, examples and step-by-step solutions, help Algebra 2 students learn how to graph the Sin, Cos, Tan, Sec, Csc, and Cot functions.

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Lessons On Trigonometry

Trigonometric Functions

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**Asymptotes of Secant, Cosecant, and Cotangent**

To find the x-intercepts and asymptotes of secant, cosecant, and cotangent, rewrite them
in terms of sine and cosine. Notice that since secant and cosecant have 1 in the numerator
and a trig function in the denominator, they can never equal zero; they do not have
x-intercepts. The vertical asymptotes of the three functions are whenever the denominators
are zero.

In this video we look at the reciprocal ratios: tan, cot, csc,and sec. Specifically, how to determine the period and find the asymptotes.

**Graphing Reciprocal Trig Functions - part 1**

**Reciprocal Trig Functions - part 2**

**Reciprocal Trig Functions - part 3**

Try the free Mathway calculator and
problem solver below to practice various math topics. Try the given examples, or type in your own
problem and check your answer with the step-by-step explanations.

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