1) It is based on the Greek words, trigonon for triangle and metron, which means measure. a) Chemistry b) Geometry c) trigonometry 2) Right triangle a) b) c) 3) What is used to name the angles of a triangle? a) Capital letters b) Small letters c) lines 4) What is the reciprocal function of the sine function? a) Cosine b) Cosecant c) Cotangent 5) It is the the ratio for the trigonometric functions of the acute angle A a) Cosine A = adjacent / hypotenuse b) Sine A = opposite/ hypotenuse c) tangent A = opposite/ adjacent 6) What acronyms are used to remember trigonometric functions? a) SHO-CHA-AOT b) SOH-TOA-CAH c) SOH-CAH-TOA 7) Complementary angles are pairs of angles whose sum is ___________. a) 90 degrees b) 180 degrees c) 360 degrees 8) It is the formula for the Pythagorean Theorem. a) c2= a2 - b2 b) c2= a2 + b2 c) c2= b2 - a2 9) What kind of triangle is involved in the Pythagorean theorem? a) Acute Triangle b) Obtuse Traiangle c) Right Triangle 10) What is the fractional form of 0.333…? a) 3/3 b) 2/3 c) 1/3

Trigonometry

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