In any right triangle, the acute angles are complementary; that is, their sum is 90°. use the trigonometric ratios to verify that the sine of an angle is equal to the cosine of its complement.

Shania's test scores in 8 subjects were 88, 91, 85, 74, 69, 72, 80, and 87. shania found the middle number of her scores. which type of measure did she find?

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36