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CBSE Class 10 Answered

Given 15 cot A = 8, find sin A and sec A
Asked by razzi1 | 28 Feb, 2019, 12:35: AM
answered-by-expert Expert Answer

given :  cotA = 8/15 
 
A right triangle is drawn so that  cot A = 8/15 .  Hypotenuse = begin mathsize 12px style square root of 8 squared plus 15 squared end root end style = 17
sinA = opposite Side/ Hypotenuse = 15/17
 
cosA = adjacent side /Hypotenuse = 8/17   or  sec A = 17/8
Answered by Thiyagarajan K | 28 Feb, 2019, 07:24: AM
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