QUESTION 4 APPLICATION
1-cos2 A
sin 2 A
=tan A
4.1 Without the use of tables or a calculator prove that​

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18

Which of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265

4. bob solved the inequality problem below incorrectly. explain his error and redo the problem showing the correct answer. ? 2x + 5 < 17 ? 2x + 5-5 < 17-5 -2x/-2 < 12/-2 x < -6