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4and tan A.4. Given 15 cotA= 8, find sin A and sec A.13 |
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Answer» ong>Answer: Step-by-step explanation: GIVEN, base= 8 perpendicular=15 using phythagorous, (H)²= (b)²+(p)² h= √(b)²+(p)² h= √ 8²+15² h= √64+225 h= √289 h= 17
so sinA= p/h = 15/17 secA=h/b = 17/8 |
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