What is the size of angle $$\theta$$ ?

$$\sin^{-1}\left(\frac{3}{5}\right)=36.9\degree$$

Trigonometry Basics & Pythagorean Theorem Flashcards

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11 questions

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1.

FLASHCARD QUESTION

Front

$\sin\theta$

Back

$\frac{opposite}{hypotenuse}$

2.

FLASHCARD QUESTION

Front

$\cos\theta$

Back

$\frac{adjacent}{hypotenuse}$

3.

FLASHCARD QUESTION

Front

$\tan\theta$

Back

$\frac{opposite}{adjacent}$

4.

FLASHCARD QUESTION

Front

Pythagoras' Theorem

Back

a² + b² = c²

5.

FLASHCARD QUESTION

Front

Hypotenuse

Back

Longest side of right-angle triangle

OR

The side Opposite right-angle in a right-angle triangle

6.

FLASHCARD QUESTION

Front

Opposite side

Back

Side opposite to reference angle

7.

FLASHCARD QUESTION

Front

Adjacent side

Back

Side next to reference angle

8.

FLASHCARD QUESTION

Front

What is the exact value of

$\sin\theta$ ?

Back

$\frac{3}{5}$

9.

FLASHCARD QUESTION

Front

What is the exact value of $\cos\theta$ ?

Back

$\frac{4}{5}$

10.

FLASHCARD QUESTION

Front

What is the exact value of $\tan\theta$ ?

Back

$\frac{3}{4}$

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