What is the formula for finding the tangent of an angle?

$$\text{tan}(\theta) = \frac{Opp}{Adj}$$

If sin C = $$\frac{28}{35}$$ , what is the value of angle C?

Use inverse sine: $$C = \text{sin}^{-1}igg(\frac{28}{35}igg)$$

How do you find the measure of an angle using a calculator?

Use inverse trigonometric functions.

What is the relationship between the sides of a right triangle and its angles?

The ratios of the sides are constant for given angles.

How do you round an angle to the nearest tenth?

Look at the hundredths place; if it's 5 or more, round up.

What is the purpose of using inverse trigonometric functions?

To find the angle when the sides are known.

M2A Finding Missing Angles Flashcards

Student preview

15 questions

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1.

FLASHCARD QUESTION

Front

What is the ratio for Tangent?

Back

Opp/Adj

Tags

CCSS.HSG.SRT.C.6

2.

FLASHCARD QUESTION

Front

What is the ratio for Sine?

Back

Opp/Hyp

Tags

CCSS.HSG.SRT.C.6

3.

FLASHCARD QUESTION

Front

What is the ratio for Cosine?

Back

Adj/Hyp

Tags

CCSS.HSG.SRT.C.6

4.

FLASHCARD QUESTION

Front

Find the ratio for sin C if the opposite side is 28 and the hypotenuse is 35.

Back

Tags

CCSS.HSG.SRT.C.6

5.

FLASHCARD QUESTION

Front

To solve for the missing angle, what trig equation do we set up for tan?

Back

Tags

CCSS.HSG.SRT.C.8

6.

FLASHCARD QUESTION

Front

What is the formula for finding the sine of an angle?

Back

Tags

CCSS.HSG.SRT.C.6

7.

FLASHCARD QUESTION

Front

What is the formula for finding the cosine of an angle?

Back

Tags

CCSS.HSG.SRT.C.6

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