In triangle ABC with the right angle at C, sin A=12. Which is the value of cos B [Hint: Draw the triangle!]

What is the solution to the equation 9^(x+1) =27

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Consider the sequence below. 3 , 1 , 1/3 , 1/9 , select the explicit function which defines the sequence.