___________________________________ EXAM 2 06/19/2012 DO ALL WORK ON TIS EXAM. BE SURE ALL DEVICES ARE OFF. SOLVE BY USING LOGARITHMS. ROUND YOUR SOLUTION TO TWO DECIMAL PLACES. 1. 2X 1 3 2. e0.2 x 10 SOLVE. 3. log 4 x log 4 x 6 2 4. 2ln3 ln x ln6 5. An experiment begins with 1000 bacteria; after 3 hrs., there are 4500. Find the number after 5 hrs. Round k to three decimal places. 6. Find the exact values of the sine, cosine, and tangent of angle A 7. From a point 116 feet from its base, the angle of elevation of the top of a tower is 18 . Find the height of the tower to the nearest tenth. GRAPH EACH OF THE FOLLOWING. DO NOT USE A CALCULATOR. 8. y 2sin3x 4 1 9. y cos x 2 10. y tan x 2 11. y csc 3x 12. y sec2x 1 13. y cot2 x FIND THE EXACT RADIAN VALUE OF EACH OF EACH OF THE FOLLOWING. 14. y sin1 1 2 15. y cos 1 2 2 16. y tan1 3 1 17. y sin1 2 2 18. y cos 1 2 19. y tan1 3 GIVE THE EXACT VALUE OF EACH OF THE FOLLOWING. 1 20. Y cossin1 3 3 21. y tancos1 4 22. y sec tan1 6 23. y sincos1 u, u 0