Reciprocal Trigonometric Identities

Objective:
Review Sine, Cosine, and Tangent.

Introduce the three reciprocal functions: Cosecant, Secant, and Cotangent

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Using Trig Ratios

Math Response

What is the length of the HYPOTENUSE?

Type answer here

Correct Answer: 29

Deg^°

Rad

Math Response

What is the length of the side OPPOSITE from Angle B?

Type answer here

Correct Answer: 20

Deg^°

Rad

Math Response

What is sin(B)?

Type answer here

Correct Answer: \frac{20}{29}

Deg^°

Rad

Math Response

What is cos(B)?

Type answer here

Correct Answer: \frac{21}{29}

Deg^°

Rad

Math Response

What is tan(B)?

Type answer here

Correct Answer: \frac{20}{21}

Deg^°

Rad

Cosecent, Secant, and Cotangent are Reciprocal Trig functions

Cosecent --> csc
Secent --> sec
Cotangent --> cot

Labelling

Find each trig ratio

Drag labels to their correct position on the image

20/21

29/20

21/29

29/21

21/20

20/29

Poll

Would you like an additional example?

• Yes, please.

• No, I am ready to start the assignment.

Math Response

Find the cotangent of Angle A.

Type answer here

Correct Answer: \frac{8}{6}

Deg^°

Rad