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CM10 Chapter Two Learning Outcomes: Trigonometry
2.1 The Tangent Ratio
o I can use similar triangles to develop the concept of the tangent ratio
o I can use the tangent ratio to determine an acute angle in a right triangle
when the lengths of the legs are given.
2.2 Using the Tangent Ratio to Calculate Lengths
o I can determine the length of a leg of a right triangle when knowing an acute
angle and measure of the other leg.
2.3 Measuring an Inaccessible Height
o I can use a clinometer and tangent ratio to determine the height of an object.
2.4 The Sine and Cosine Ratios
o I can use similar triangles to develop the sine and cosine ratios.
o I can use the sine and cosine ratio to determine an acute angle in a right
triangle when given the length of one leg and the hypotenuse.
2.5 Using the Sine and Cosine Ratios to Calculate Lengths
o I can use the sine and cosine ratios to determine the length of a leg when
given the measure of an acute angle and hypotenuse in a right triangle.
o I can use the sine and cosine ratios to determine the length of the hypotenuse
given the measure of an acute angle and length of a leg in a right triangle.
2.6 Applying Trigonometric Ratios
o I can use the trigonometric ratios (sine, cosine, and tangent) to solve a right
triangle when given two sides or an acute angle and a side.
2.7 Solving Problems Involving More than One Right Triangle
o I understand angle of elevation.
o I understand angle of depression.
o I can use trigonometric ratios to solve problems that involve more then one
right triangle.
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