Write the expression as the sine, cosine, or tangent of an angle.
sin 52° cos 13º - cos 52° sin 13°

Which function families have maximums and minimums? 1.)linear absolute value functions and exponential functions 2.) linear absolute value functions and quadratic functions 3.) linear absolute value functions and linear functions 4.) linear absolute value functions and constant functions

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.