please write clearly

1. An engineer erects a 75-foot vertical cellular-phone tower. Find an angle of elevation to the top of the tower from a point on level ground '95th from its base. Draw a right triangle that gives a visual representation of the problem. Show the known quantities and use a variable to Indicate the angle of elevation. USE a trigonometric function to write an equation involving the unknown quantity. limits} 2. Use right triangle to nd exact value of cos(tan\"(%)} (IOptsl 3. Find exact value of sin"(sin(ST-)) {5pts} 4. Find exact value of cos"(cos(%)) [Stats] 5. Solve the right triangle if a=5. b='i'. (Find the third side and both acute angles) {10an I 6. Find exact value of tanKg) {Sptsl 7. Find sin"(l.5) {5pts] 8. Find exact value of ten{tan\"'( n [5pts] 9. Given y=2cos(%x+%). (15an all Find amplitude, period. and phase shift of the given function. b) State and describe the sequence of transformations starting with parent function. e} Sketch one period of the parent function and each transformation on separate set of coordinate axis. Mark x~ and ywaxis accordingly and show clear the points where the graph intersects x-axis and maxfmin points. 10. Given y =300t(2x) (15pts} 3} Find period and phase shift of the given function b] State and describe the sequence of transformations starting with parent function. 4;} Sketch one period of the parent function and each transformation on separate set of coordinate axis. Mark x- and y-axis accordingly and show clear vertiml asymptotes (mark where they intersect x-axis). Mark 3 reference points on each graph and state the coordinates of the reference points and equations of the vertical asymptotes of the nal graph. 11. Given y=0.3csc()+l (15pm) 3} Find period and phase shift of the given function b] State and describe the sequence of transformations starting with parent function. c} Sketch one period of the parent function (together with corresponding reciprocal function) and each transformation on separate set of coordinate axis. Mark 3- and y-asis accordingly and show clear vertical asymptotes (mark where they intersect x-axis). Mark maximin points on the graphs and state the coordinates of the maximin points and equations of the vertical asymptotes of the nal graph