Please help!,! Once again

Definition: es. this is a disadvantage or weak point that makes someone or something less effective.

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

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation