Please help I will give the brainlist. Which trigonometric formula (or identity) should you use to help simplify and solve the equation \cos(2x) - \sin(x) = 1cos(2x)−sin(x)=1

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition?

If g(x) is an odd function, which function must be an even function?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers