Trig final notes

# Trig final notes - The unit circle X2 Y2= 1 Definition of...

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The unit circle X 2 +Y 2 = 1 Definition of trigonometric functions sin t = y cos t = x tan t= y/x csc t = 1/y sec t = 1/x cot t = x/y Special Values of Trigonometric Functions Angle Values Degrees Radian sin cos tan csc sec Cot 0 0 0 1 0 Undef. 1 Undef. 30 π/6 1/2 √3/2 √3/3 √3 2 2√3/3 45 π/4 √2/2 √2/2 1 √2 √2 1 60 π/3 √3/2 1/2 √3 2√3/3 2 √3/3 90 π/2 1 0 Undef. 1 Undef. 0 120 2π/3 √3/2 -1/2 -√3 -√3/3 -2 2√3/3 135 3 π/4 √2/2 -√2/2 -1 -1 -√2 √2 150 5 π/6 1/2 -√3/2 -√3/3 -√3 -2√3/3 2 180 Π 0 -1 0 Undef. -1 Undef. 210 7 π/6 -1/2 -√3/2 -√3/3 √3 -2√3/3 -2 225 5 π/4 -√2/2 -√2/2 1 1 -√2 -√2 240 4 π/3 -√3/2 -1/2 √3 √3/3 -2 -2√3/3 270 3 π/2 -1 0 Undef. 0 Undef. -1 300 5 π/3 -√3/2 1/2 -√3 -√3/3 2 -2√3/3 315 7 π/4 -√2/2 √2/2 -1 -1 √2 -√2 330 11 π/6 -1/2 √3/2 -√3/3 -√3 2√3/3 -2 360 2 π 0 1 0 Undef. 1 Undef. Reciprocal Identities Csc t = 1/ sin t sec t = 1/cos t cot t = 1/tan t Tan t = sin t / cos t cot t = cos t/ sin t Pythagorean Identities Sin 2 t + cos

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Trig final notes - The unit circle X2 Y2= 1 Definition of...

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