Which expression is equivalent to
(sin x + 1)(sin x − 1)?
a.)cos^2x

c.)cos^2x+ 1
d.)cos^2x − 1
+ 1

Would greatly appreciate these 3 answers

If the function m(x) has the point (5,2) on its graph name a point that would be on the funtion m(5x)

In the right triangular prism below, bg ⊥ fc. the volume of the prism is 900 cubic centimeter the height of the prism is 15 centimeters and the height of the triangular base is 10 centimeters. what is your he length of edg fc