Use the pythagorean identity sin2(thetatheta) + cos2(thetatheta) = 1, where thetatheta is any real number, to find the following:
b. tan(x), given cos(x) = − 1 / /^2, for < x < / 2

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

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

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?