Calculate the trigonometric ratios of 45 degrees. Share with your friends Share 0 Priyanka Kedia answered this Make an isosceles right angle triangle ABC right angled at A.So, ∠A=900 and ∠B=∠C=450Let side AB is a cm. So, AC will be a cm because ABC is an isosceles triangle.Using Pythagoras Theorem,BC2=AB2+AC2⇒BC2=a2+a2⇒BC=a2Now,sin 450=oppositeHypotenuse=aa2=12cos 450=AdjacentHypotenuse=aa2=12tan 450=oppositeAdjacent=aa=1cot 45° = 1tan45° = 1sec 45° = 1cos 45° = 2cosec 45° = 1sin 45° = 2 1 View Full Answer
