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8 chapter ka 8.1 ka 5 questions |
| Answer» Sec A= h/b = 13/12. Let h= 13x and b=12x. Then p= √13x * 13x - 12x * 12x. = √169x² - 144x². = √25x². = 5x. 1. CosecA= h/p. =13x/5x. =13/5. 2. CotA =b/p. = 12x/5x. =12/5. 3. SinA = p/h. =5x/13x. =5/13. 4. CosA = b/h = 12x/13x = 12/13. 5. TanA = p/b = 5x/12x = 5/12 | |