Trigonometry Posted on October 25, 2016October 25, 2016 by connors12015 Sin = Opp/Hyp Cos = Adi/Hyp Tan = Opp/Adi Sin 30 degrees = 1/2 Cos 30 degrees = √3/2 Tan 30 degrees = 1/√3 Sin 45 degrees = √2/2 Cos 45 degrees = √2/2 Tan 45 degrees = 1 Cos and Sin are the same as there complimentary angles to 90 degrees
