How to simplify a trigonometric expression by adding two expressions

How to simplify a trigonometric expression by adding two expressions

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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Quizizz Content

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The video tutorial focuses on simplifying mathematical expressions by using identities. It begins with the goal of simplifying an expression into one form, identifying the use of addition, and recognizing that the terms are not like terms. The instructor suggests using reciprocal identities to rewrite the expression in terms of sines and cosines. The process involves rewriting, combining like terms, and simplifying fractions to achieve a final expression in terms of secant. The tutorial concludes with a reminder to simplify expressions fully.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main operation identified for simplifying the expression?

Division

Addition

Multiplication

Subtraction

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which identities are considered for rewriting the expression?

Double angle identities

Even-Odd identities

Reciprocal identities

Pythagorean identities

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the expression rewritten using trigonometric identities?

In terms of sines and cosines

In terms of tangent and cotangent

In terms of angles and radians

In terms of secant and cosecant

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the terms after multiplying them across?

They add up to zero

They become negative

They remain unchanged

They divide out

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final simplified expression?

Two sine of Theta

Two cosine of Theta

Two secant of Theta

Two tangent of Theta