Using and Proving Trigonometric IdentitiesVideos, worksheets, games and acivities to help Algebra 2 students learn how to use and prove trigonometric identities.
Using Trigonometric Identities : When simplifying problems that have reciprocal trig functions, start by substituting in the identities for each. If possible, write tangent in terms of sine and cosine. Use algebra to eliminate any complex fractions, factor, or cancel common terms. When using trigonometric identities, make one side of the equation look like the other or work on both sides of the equation to arrive at an identity (like 1=1).
Prove Trigonometric Identities Part 1 This lesson shows four examples (3 in part 1) regarding how to prove trigonometric identities.
Prove Trigonometric Identities Part 2 This lesson shows four examples (1 in part 2) regarding how to prove trigonometric identities.
Proving Trigonometric Identities We can use the fundamental identities to prove other identities.
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