Master Evaluating the double angle for Sine, Cosine and Tangent given an equation and constraint

Master Evaluating the double angle for Sine, Cosine and Tangent given an equation and constraint

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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Quizizz Content

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The video tutorial explains how to evaluate the double angles of sine, cosine, and tangent when given specific values and constraints. It begins with constructing a triangle in Quadrant 2 and using the Pythagorean theorem to find the sides. The instructor then demonstrates how to calculate the sine, cosine, and tangent of the double angle, providing detailed steps and calculations for each. The video emphasizes understanding the constraints and correctly applying mathematical formulas to solve the problems.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in evaluating double angles for trigonometric functions?

Determine the angle in radians

Find the tangent of the angle

Calculate the hypotenuse

Identify the quadrant and constraints

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which quadrant is the triangle constructed for this problem?

Quadrant 1

Quadrant 4

Quadrant 2

Quadrant 3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What theorem is used to find the missing side of the triangle?

Cosine Rule

Sine Rule

Pythagorean Theorem

Tangent Rule

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which formula is used to calculate the double angle for sine?

sin^2(Theta) - cos^2(Theta)

cos(2Theta) + sin(2Theta)

tan(Theta) / 2

2 * sin(Theta) * cos(Theta)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of the double angle for cosine using the given values?

-161/289

161/289

225/289

64/289

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which operation is crucial in simplifying the tangent double angle expression?

Multiplication by reciprocal

Division by zero

Subtraction

Addition

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final result for the tangent double angle in this problem?

240/161

-240/161

161/240

-161/240