What is the relationship between the angles in a right triangle?

The sum of the angles in a right triangle is always 180 degrees, with one angle being 90 degrees.

How do you calculate the missing angle in a right triangle?

To calculate the missing angle, subtract the sum of the known angles from 90 degrees.

What is the cosine of 60 degrees?

The cosine of 60 degrees is 0.5.

What is the tangent of 45 degrees?

The tangent of 45 degrees is 1.

What is the formula for finding the hypotenuse in a right triangle?

The hypotenuse can be found using the Pythagorean theorem: $$c = \text{sqrt}(a^2 + b^2)$$ .

What is the significance of the 30-60-90 triangle?

In a 30-60-90 triangle, the sides are in the ratio 1:√3:2, where the shortest side is opposite the 30-degree angle.

Right Triangle Trig Flashcards

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the definition of a right triangle?

Back

A right triangle is a triangle that has one angle measuring 90 degrees.

2.

FLASHCARD QUESTION

Front

What is the Pythagorean theorem?

Back

3.

FLASHCARD QUESTION

Front

What is the sine ratio?

Back

4.

FLASHCARD QUESTION

Front

What is the cosine ratio?

Back

5.

FLASHCARD QUESTION

Front

What is the tangent ratio?

Back

6.

FLASHCARD QUESTION

Front

How do you find the length of a side in a right triangle using sine?

Back

7.

FLASHCARD QUESTION

Front

How do you find the length of a side in a right triangle using cosine?

Back

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