Worksheets
Review
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Website Resources
Identities http://www.regentsprep.org/Regents/math/algtrig/ATT9/pythagoreanid.htm Great visual notes with simple examples. http://www.coolmath.com/precalculus-review-calculus-intro/precalculus-trigonometry/29-the-pythagorean-identities-01.htm Colorful notes for finding all six identities http://www.regentsprep.org/Regents/math/algtrig/ATT9/pythpractice.htm Practice Problems with answers http://www.regentsprep.org/Regents/math/algtrig/ATT9/morepythag.htm Using Pythagorean Identities, the answers are given with step-by-step explanations Sum & Difference http://www.mathwords.com/s/sum_difference_identities.htm List of the sum and difference formulas http://www.regentsprep.org/Regents/math/algtrig/ATT14/formulalesson.htm Notes and Examples http://hotmath.com/hotmath_help/topics/sum-and-difference-identities.html Formulas and worked out examples http://worksheets.tutorvista.com/sum-and-difference-identities-worksheet.html Practice problems with solution |
