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Simplifying Trigonometric Expressions using Sum and Difference Formulas

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Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
  • Video
    Simplify Trig Expressions

    Simplify Trig Expressions

    by Rayna Schlossberg //at grade

    Use the sum and difference formulas to simplify and then evaluate a trigonometric function value.

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