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| 1. |
Trigonmetry exercise 8.1 9th question |
| Answer» 9. In\xa0ABC right angles at B, if\xa0\xa0find value of:(i)\xa0(ii)\xa0Ans.\xa0Consider a triangle ABC in which\xa0B =\xa0.Let BC =\xa0\xa0and AB =\xa0Then, using Pythagoras theorem,AC =\xa0=\xa0=\xa0\xa0=\xa0\xa0=\xa0For\xa0C, Base = BC, Perpendicular = AB and Hypotenuse = AC(i)\xa0\xa0=\xa0=\xa0\xa0= 1(ii)\xa0\xa0=\xa0=\xa0 | |