Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
CH5PracticeProblems 1)Convertthedegreemeasuretoexactradianmeasure: 585! . 4π 2)Converttheradianmeasuretoexactdegreemeasure: − 5 . 14 3)If β isanacuteangleofarighttriangleforwhich sec β = ,find: 12 cos β cot β csc β π π π 4)Findtheexactvalueoftheexpression: sin cos − tan 3 4 4 5)Anairplaneistravellingat240mphisdescendingatanangleofdepressionof6 degrees.Howmanymileswilltheplanedescendin4minutes.? 6)Findthevalueforeachofthesixtrigonometricfunctionsfortheanglewhose terminalsidepassesthroughthepoint(-3,5). 7)Ifweknow tan θ = 1 and sin θ = 2 ,findtheexactvalueof secθ . 2 8)Findtheexactvalue(nocalculators)of cos π sin 9)Graphonefullperiodofthefollowing: 3 y = − sin x 2 7π 11π . − cos 4 6 y = 3cos 3π x 4 1 y = − tan x 3 3 y = csc 3x 2 π⎞ ⎛ y = 2sec ⎜ 2x + ⎟ ⎝ 6⎠ π⎞ ⎛ y = −2 cos ⎜ x + ⎟ + 3 ⎝ 3⎠ y = 2 cot 2x + 3