Assume that the terminal side of an angle of t radians passe
Assume that the terminal side of an angle of t radians passes through the given point. Find sin (t), cos (t), tan (t).
(.7, -.4)
Solution
Terminal point ( 0.7 , -0.4) ----- IVrth quadrant
Hypotenuse = sqrt(0.7^2 +0.4^2) =0.8
sint = -0.4/0.8 = -1/2
cost = 0.7/0.8 = 7/8
tant = -0.4/0.7 = -4/7

