Trigonometry · Chapter 2 of 11

Right triangles

8 curated · 10 from open sources

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Curated

8

#	Title	Difficulty	Tags
73	The leaning ladder	Easy	Sine and cosine in right triangles
118	A thirty-degree ramp	Easy	Sine ratio
673	From tangent to sine	Easy	Right triangles
674	A ladder against a wall	Easy	Right triangles
675	A forty-five degree look-up	Easy	Right triangles
676	A tree and its shadow	Easy	Right triangles
677	Complementary values	Easy	Right triangles
678	A 30-60-90 triangle	Easy	Right triangles

From open sources

10

Complete problems only, with worked solutions first. Show everything

#	Title	Difficulty
103237	Evaluating Trigonometric Functions of Special Angles Using Side Lengths	Easy
103238	Right Triangle Trigonometry · Try It 1	Easy
103239	Using Cofunction Identities	Easy
103241	Right Triangle Trigonometry · Try It 3	Easy
103244	Right Triangle Trigonometry · Exercise 3	Easy
103246	Right Triangle Trigonometry · Exercise 5	Easy
107321	Using Cofunction Identities	Easy
103240	Right Triangle Trigonometry · Try It 2	Easy
103242	Right Triangle Trigonometry · Try It 4	Easy
107322	Right Triangle Trigonometry · Try It 2	Easy