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Using Sine and Cosine

Core Standard: HSG-SRT.D.10

Aligned To Common Core Standard:

Trigonometry - HSG-SRT.D.10

Printable Worksheets And Lessons


  • Missing Sides Step-by-step Lesson -We get familiar with our favorite triangle theorems, once again.

  • Guided Lesson - I tried to touch on all the major applications of these problems that appear on standardized tests. See how I did.

  • Guided Lesson Explanation - I used a slight smaller font here to reduce the number of pages that you need to print.

  • Practice Worksheet - A series of solid pages for you to work on here.

  • Matching Worksheet - Match the parts of the theorems to help this one make more sense and finish the problems faster.

AnswersAnswer Keys



View Answer Keys- All the answer keys in one file.






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Homework Sheets

We hit every part of a triangle with this one.




Practice Worksheets

We give you 2 angles and 1 side of a triangle, you tell us the rest.




Math Skill Quizzes

Find all the missing sides and measures.