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Trigonometric Functions - Sin, Cos, Tan, Csc, Sec and Cot




 


Videos, worksheets, solutions and activities to help Algebra 2 students learn about the trigonometric function: Sin, Cos, Tan and the reciprocal trigonometric functions Csc, Sec and Cot.
Reciprocal Trigonometric Functions :
There are three reciprocal trigonometric functions, making a total of six including cosine, sine, and tangent. The reciprocal cosine function is secant: sec(theta) = 1/cos(theta). The reciprocal sine function is cosecant, csc(theta) = 1/sin(theta). The reciprocal tangent function is cotangent, expressed two ways: cot(theta) = 1/tan(theta) or cot(theta) = cos(theta)/sin(theta).
How to define the reciprocal trigonometric functions, the reciprocal identities, and the Pythagorean identities using the unit circle.
Fundamental Trigonometric Identities: Reciprocal, Quotient, and Pythagorean Identities
Use reciprocal, quotient, and Pythagorean identities to determine trigonometric function values.



Trigonometry Functions - Sin, Cos, Tan, Csc, Sec and Cot
Tangent, cotangent, secant, and cosecant of any angle


 
This tutorial covers the reciprocal identities and shows them in various forms.


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You can use the free Mathway calculator and problem solver below to practice Algebra or other 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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