Exploring Right Triangle Trigonometry and Missing Angles

This video tutorial covers solving for missing angles in right triangle trigonometry. It explains how to use sine, tangent, and cosine functions to find angles, specifically focusing on the angle Theta. The tutorial demonstrates the use of inverse trigonometric functions and provides step-by-step instructions for using a calculator to find the angle in degrees. The video includes three examples, each using a different trigonometric function, to illustrate the process of solving for angles in right triangles.

What trigonometric function is used when given the opposite side and the hypotenuse?

• Tangent

• Cosine

• Sine

• Cotangent

How do you isolate the angle when using the sine function?

• Use inverse sine

• Divide by sine

• Use inverse cosine

• Multiply by sine

What must be set on the calculator to find angles in degrees using trigonometric functions?

• Gradient mode

• Degree mode

• Scientific mode

• Radian mode

What should you check before calculating an angle in a calculator?

• Screen brightness

• Calculator type

• Battery level

• Mode setting

Which function relates the opposite side to the adjacent side in a right triangle?

• Sine

• Cosine

• Secant

• Tangent

What is the correct way to find an angle using the tangent function?

• Inverse sine of the ratio

• Inverse tangent of the ratio

• Inverse cosine of the ratio

• Tangent of the ratio

What is the simplified form of the ratio 5 over 25?

• 5 over 1

• 1 over 10

• 10 over 1

• 1 over 5

Which function is used when you have the adjacent side and the hypotenuse?

• Sine

• Cosine

• Tangent

• Cosecant

How do you find the angle when using the cosine function?

• Multiply by cosine

• Use inverse sine

• Use inverse tangent

• Use inverse cosine

What is the result of the inverse cosine of 35 over 42?

• 33.56 degrees

• 45 degrees

• 11.31 degrees

• 2.74 degrees