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Trigonometry (College Entrance Tests)

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Section 1

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30-60-90 Right Triangle

Front

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SAT Prep

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Last updated

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Date created

Mar 1, 2020

Cards (16)

Section 1

(16 cards)

30-60-90 Right Triangle

Front

30 = x 60 = x(square root of 3) 90 = 2x

Back

Degrees to Radians

Front

degrees(π/180)

Back

Cosine Theta

Front

adjacent/hypotenuse

Back

Signs in Quadrant IV

Front

cos & sec are positive

Back

Signs in Quadrant II

Front

sin & csc are positive

Back

Pythagorean Theorem

Front

a²+b²=c²

Back

Signs in Quadrant III

Front

tan & cot are positive

Back

Special Angles (Tangent)

Front

0 = 0 30 = (square root of 3) / 3 45 = 1 60 = square root of 3 90 = undefined

Back

Signs in Quadrant I

Front

all positive

Back

Tangent Theta

Front

opposite/adjacent

Back

Sine Theta

Front

opposite/hypotenuse

Back

Radians to Degrees

Front

radians(180/π)

Back

Special Angles (Cosine)

Front

0 = 1 30 = (square root of 3) / 2 45 = (square root of 2) / 2 60 = 1/2 90 = 0

Back

45-45-90 Triangle

Front

45 = x 45 = x 90 = x(square root of 2)

Back

Pythagorean Triples

Front

3-4-5 5-12-13 7-24-25 8-15-17

Back

Special Angles (Sine)

Front

0 = 0 30 = 1/2 45 = (square root of 2) / 2 60 = (square root of 3) / 2 90 = 1

Back