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Exercises from Illustrative MathematicsA set of 2 exercises, commentary, and solutions
Students understand that if ? and ? are the measurements of complementary angles, then sin ?=cos ?.
Students solve triangle problems using special angles.
Teacher and Student versions of full lesson from engageNY
Students use graphing calculator to find the values of sin ? and cos ? for ? between 0 and 90.
Students solve for missing sides of a right triangle given the length of one side and the measure of one of the acute angles.
Students find the length of the base of a triangle with acute base angles given the lengths of the other two sides and the measure of each of the base angles.
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