The graph of a sinusoidal function intersects its midline at (0,1) and then has a maximum point at (7pi/4,5). Write the formula of the function, where x is entered in radians.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal