Understanding Trigonometric Ratios

The video tutorial from MooMoo Math explains how to solve trigonometric ratios step by step. It begins with identifying the appropriate trig ratio, setting up the problem with an angle and two sides, and using a calculator to find the value to four decimal places. An example problem is provided, demonstrating the use of the tangent function for a 35-degree angle. The tutorial also covers cross multiplication to solve for the unknown side and concludes with a summary of the process.

What is the first step in solving a trigonometric ratio problem?

• Identify the type of triangle

• Decide which trigonometric ratio to use

• Calculate the hypotenuse

• Convert angles to radians

Tags

CCSS.HSG.SRT.C.6

Which sides of the triangle are involved in the tangent ratio?

• Opposite and hypotenuse

• Adjacent and hypotenuse

• Opposite and adjacent

• All three sides

What is the reference angle used in the example problem?

• 35 degrees

• 30 degrees

• 60 degrees

• 45 degrees

Tags

CCSS.HSG.SRT.C.8

How do you set up the equation using the tangent function?

• Tangent of angle equals hypotenuse over adjacent

• Tangent of angle equals hypotenuse over opposite

• Tangent of angle equals opposite over adjacent

• Tangent of angle equals adjacent over opposite

What mode should the calculator be in to find the tangent value?

• None of the above

• Gradians

• Degrees

• Radians

Tags

CCSS.HSG.SRT.C.7

What is the tangent of 35 degrees to four decimal places?

• 0.7002

• 0.5736

• 0.6428

• 0.8391

Tags

CCSS.HSG.SRT.C.8

What is the next step after finding the tangent value?

• Divide the values

• Set up a cross multiplication

• Subtract the values

• Add the values

What is the result of the cross multiplication in the example?

• X = 7.2 units

• X = 10 units

• X = 5.5 units

• X = 8.1 units

Tags

CCSS.HSG.SRT.C.8

What is the purpose of cross multiplying in this context?

• To solve for the unknown side

• To check the angle

• To find the hypotenuse

• To convert degrees to radians

Tags

CCSS.3.MD.C.6

What type of measurement is the final answer in?

• Area

• Linear

• Volume

• Angular

Tags

CCSS.3.MD.C.6