From the figure (i) given below, calculate all the six t-ratios for both acute angles.

In right angle triangle ABC, By pythagoras theorem we get : ⇒ AC 2 = AB 2 + BC 2 ⇒ 3 2 = AB 2 + 2 2 ⇒ 9 = AB 2 + 4 ⇒ AB 2 = 9 - 4 ⇒ AB 2 = 5 ⇒ AB = . For angle A, For angle C,