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More Lessons for Grade 9 Math

Math Worksheets

Examples, videos, worksheets, games, and activities to help students learn the trigonometric functions: sine, cosine, tangent, secant, cosecant and cotangent. How to use Trigonometric Functions To Find Unknown Sides of Right Triangles?

Trigonometric Functions To Find Unknown Sides of Right Triangles, Ex 1

Example:

Consider the following triangle. If tan α = 2/7, what is the area of the triangle?

Trigonometric Functions To Find Unknown Sides of Right Triangles, Ex 2

Example:

A 60ft ladder is leaning against a wall so that the top of the ladder makes 1 15° angle with the wall. How high up the wall does the ladder reach?
Trigonometric Functions To Find Unknown Sides of Right Triangles, Ex 3

Example:

Consider the triangle QRS given below. If c = 14, what is the value of b?

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

More Lessons for Grade 9 Math

Math Worksheets

Examples, videos, worksheets, games, and activities to help students learn the trigonometric functions: sine, cosine, tangent, secant, cosecant and cotangent. How to use Trigonometric Functions To Find Unknown Sides of Right Triangles?

Trigonometric Functions To Find Unknown Sides of Right Triangles, Ex 1

Example:

Consider the following triangle. If tan α = 2/7, what is the area of the triangle?

Example:

A 60ft ladder is leaning against a wall so that the top of the ladder makes 1 15° angle with the wall. How high up the wall does the ladder reach?

Example:

Consider the triangle QRS given below. If c = 14, what is the value of b?

Rotate to landscape screen format on a mobile phone or small tablet to use the **Mathway** widget, a free math problem solver that **answers your questions with step-by-step explanations**.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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