Sketch and Solve the triangle please

Provide an example of a trigonometric function and describe how it is transformed from the standard trigonometric function f(x) = sin x, f(x) = cos x, or f(x) tan x using key features.

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.