In a right triangle, one of the acute angles is 20° less than the other acute angle. find the measure of each acute angle

What signals you that factoring by grouping is the best method to use when factoring a problem?

To prove that def ~ gfh by the sss similarity theorem using the information provided in the diagram, it would be enough additional information to know that

Which of the following functions corresponds to the above sinusoid? a. 10 cos πx - 5 b. -5 sin x - 5 c. -10 cos πx/2 - 0.5 d. 10 sin πx - 5