If sintheta=frac35\\sin \\theta = \\frac{3}{5}sintheta=frac35 and theta\\thetatheta is in Quadrant I, what is the value of costheta\\cos \\thetacostheta (scale parameter k=6k=6k=6)?
−frac45-\\frac{4}{5}−frac45
frac45\\frac{4}{5}frac45
frac34\\frac{3}{4}frac34
frac54\\frac{5}{4}frac54