Find the exact value. tan 7π/12= sin 7π/6 /2 / cos 7π/6 /2

Find the exact value. tan 7π/12= sin 7π/6 /2 / cos 7π/6 /2

Find all solutions to the equation in the interval [0,2pi). Enter the solutions in increasing order. cos 2x = sinx

can you give me an example of how to solve this step by step

If cosB=1/9, then what is the positive value of cos1/2B, in simplest radical form with a rational denominator?

Jay is 120 meters from the base of a building and Mary is 40 meters from the base of the building. Jay's angle of elevation when looking at the top of the building is X and Mary's is 2X. What is the...

please I need help I don't know how to solve this!!!!!!