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Maths Puzzle
Logical Reasoning
Coding Decoding
if cos A=11/15,find sin A and cot A.
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- cosA= 11/15 = adj/hyp
adj=11 hyp=15 let x=opp
=> x^2+adj^2=hyp^2
=> x^2= 15^2-11^2
=>x=sqrt104=2sqrt26
sinA=opp/hyp=2sqrt26/15
cotA=cosA/sinA
=(11/15)/(2sqrt26/15)
=11/2sqrt26 - 10 years agoHelpfull: Yes(1) No(0)
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