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.
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
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