If sin(A)=4/7 and angle A is located in the second quadrant, find the exact value of cos(A).

To make a monster appear large in a movie, a human actor wore a costume and walked through a scale model of a city. the scale used was 1 inch = 15 feet. the actor is 60 inches tall. how tall does the monster appear in the movie? question 5 options: 720 feet 75 feet 4 feet 900 feet

Evaluate cos2θ for cosθ = square root of 3/2

Solve for x and select the correct answer