Introduction to Trigonometric Functions
 Find the cos Θθ135 Find x:x4.511.15.64.81222∘ 6Find x.x32∘8.7 9.6 3.711.3 45∘x771414√27√2Find x. 6x30∘126 6√3 6√2Find x. Find x.612 6√2 6√3x1245∘ A178Find cot A 86AFind sec A. Write your answer in lowest terms. AFind csc A.2524 0.48980.32540.98480.5471Find cos 10∘ 3.58710.8574 2.79040.2358Find csc 21∘. 1.23570.85794.2356 0.4663Find cot 65∘ Find sec 45∘2 √21/2√3 An escalator rises at an angle of 30∘.  The lengthof the escalator is 62 feet. Sketch a diagram ofthe situation. What is the height of the escalator?feet As a 12-foot ladder leans against a building, it makesa 58∘ angle with the ground.  Draw a diagram to represent the situation.  How far is the bottom of theladder from the base of the building? ≈ 6.4 feet  ≈ 10.2 feet ≈22.6 feet≈19.2 A flagpole has a shadow that is 25 feet long.  The angle of elevation from the end of the shadow tothe top of the flagpole is 50∘. How tall is the flagpole? ≈23.6 feet≈34.8 feet ≈29.8 feet≈19.2 feet25 feet
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