2sinA=1 calculate the value of tanA​

Driving 75 mph, it takes alicia 2 hours to reach the airport to go on a vacation. it then takes her 4 hours to get to her destination with the jet traveling at a speed of 400 mph. how many miles does alicia travel to get to her destination?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height