Si α es un ángulo en el segundo cuadrante tal que cos α = −8/15 y está en el segundo cuadrante, determine sin 2α, cos 2α y tan 2α

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

Write the expression as a single natural logarithm. 2 in a - 4 in y

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%