Why can sine and cosine never be greater than 1? why is it that cosecant and secant should be greater than 1? why are tangent and cotangent sometimes undefined?

How many zeros does the function f(x)=4x3-x2+1 have

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?