Tutorials
Post date: 07/18/2017 - 07:48
(+) Derive the formula A = (1/2)ab sin(C) for the area of a triangle by drawing an auxiliary line from a vertex perpendicular to the opposite side.
CC.9-12.G.SRT.9 (+) Apply trigonometry to general triangles. Derive the formula A = (1/2)ab sin(C) for the area of a triangle by drawing an auxiliary line from a vertex perpendicular to the opposite side.... Vote:
Post date: 07/18/2017 - 07:48
Use trigonometric ratios and the Pythagorean Theorem to solve right triangles in applied problems.
CC.9-12.G.SRT.8 Define trigonometric ratios and solve problems involving right triangles. Use trigonometric ratios and the Pythagorean Theorem to solve right triangles in applied problems.Are you ready for some Common Core Math quizzes in section...
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Post date: 07/18/2017 - 07:47
Explain and use the relationship between the sine and cosine of complementary angles.
CC.9-12.G.SRT.7 Define trigonometric ratios and solve problems involving right triangles. Explain and use the relationship between the sine and cosine of complementary angles.Are you ready for some Common Core Math quizzes in section 9-12.G.SRT.7?...
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Post date: 07/18/2017 - 07:46
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.
CC.9-12.G.SRT.6 Define trigonometric ratios and solve problems involving right triangles. Understand that by similarity, side ratios in right triangles are properties of the angles in the... Vote:
Post date: 07/18/2017 - 07:45
Use congruence and similarity criteria for triangles to solve problems and to prove relationships in geometric figures.
CC.9-12.G.SRT.5 Prove theorems involving similarity. Use congruence and similarity criteria for triangles to solve problems and to prove relationships in geometric figures.Are you ready for some Common Core Math quizzes in...
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