T2. Cofunctions and Reciprocal Functions in First Quadrant Triangles

Description

This worksheet practices using trigonometric functions to find other trig functions, using cofunctions, reciprocal functions, and quadrant I triangles. For example, if sec A = 2, find csc A. Both radians and degrees are included.

This is ready to print, or for distance learning, you can assign as an online Easel Activity. The digital version is ready-to-use, but you can edit the instructions and locations of answer boxes to fit your needs.

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T2. Cofunctions and Reciprocal Functions in First Quadrant Triangles

Name: T2. Cofunctions and Reciprocal Functions in First Quadrant Triangles
Brand: Jane Gillette
SKU: 1441084
Price: 3.00 USD
Availability: InStock

Jane Gillette

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Highlights

Digital downloads

Easel Activities, PDF

Grades

11th - 12th

Subjects

Math, Other (Math), PreCalculus

Standards

CCSSHSF-TF.C.8

CCSSHSG-SRT.C.7

Description

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Questions & Answers

Standards

to see state-specific standards (only available in the US).

CCSSHSF-TF.C.8

Prove the Pythagorean identity sin²(θ) + cos²(θ) = 1 and use it to find sin(θ), cos(θ), or tan(θ) given sin(θ), cos(θ), or tan(θ) and the quadrant of the angle.

CCSSHSG-SRT.C.7

Explain and use the relationship between the sine and cosine of complementary angles.