Please find the answer yo 749/d * d/749 = 1

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Which of the following describes the graph of y--4x-36 compared to the parent square root function? stretched by a factor of 2, reflected over the x-axis, and translated 9 units right stretched by a factor of 2, reflected over the x-axis, and translated 9 units left stretched by a factor of 2, reflected over the y-axis, and translated 9 units right stretched by a factor of 2, reflected over the y-axis, and translated 9 units left save and exit next submit

Abcd is a square. what is the measure of angle bac