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Discovering Trigonometric Ratios WORKSHEET

Suitable for Grades: Geometry, Algebra II
CCSS: HSG.SRT.C.6
CCSS Description: Understand that by similarity, side ratios in right triangles are properties of the angles in the triangle, leading to definitions of trigonometric ratios for acute angles

Discovering Trigonometric Ratios WORKSHEET DESCRIPTION

This worksheet is designed to provide an opportunity for learners to discover the relationships between the side lengths of right angle triangles and the trigonometric ratios sin, cos, and tan. The first three sections provide sets of similar triangles for learners to measure the specified lengths and angles, and then compare the ratios of the chosen sides with the relevant trig function. The remaining sections are helpful to consolidate which side lengths match to which trig function.

All worksheets are created by the team of experienced teachers at Cazoom Math.

Frequently Asked Questions

This worksheet is designed for students in Geometry and Algebra II classes. These grade levels typically have students who are ready to explore the fundamental relationships between triangle side lengths and trigonometric functions. The hands-on discovery approach makes it accessible for students at both levels to build their understanding of sin, cos, and tan.