Give that x is angle in the first quadrant such that 8sin 2x + 2cosx – 5 = 0
Find:
cosx
tanx
If you graph it, you find that
x = .19 or 1.28
so, now you can figure cos and tan
Find:
cosx
tanx
x = .19 or 1.28
so, now you can figure cos and tan