#23 how to find the 6 trig functions

Asif spent $745.10 on 13 new file cabinets for his office. small file cabinets cost $43.50 and large file cabinets cost $65.95. write and solve a system of equations to find the number of small cabinets and large cabinets he purchased. determine if each statement is true or false. 1. he purchased 5 small cabinets. true or false 2. he purchased 7 large cabinets. true or false 3. he spent $527.60 on large cabinets. true or false

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3

Sketch one cycle if the cosine function y=2cos2theta