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manishsatywali
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ask d question

keelyjm
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Find the exact values of sin A and cos A. Write fractions in lowest terms.dw:1359654603651:dw

keelyjm
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Is it \[\sin=\frac{ 3 }{ 5 }\] and \[\cos=\frac{ 4 }{ 5 }\]

manishsatywali
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sin A = PERPENDICULAR / HYPOTENUES
sin A = CB/AB ....
cosA = AC/AB .........

keelyjm
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how can you tell which sides are A B or C

keelyjm
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but the letters are on the corners

keelyjm
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is A=10, B=8 and C=6

manishsatywali
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dw:1359655040281:dw

manishsatywali
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AC= 6 BC = 8 and AB = 10..........

manishsatywali
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dw:1359655207357:dw

keelyjm
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so sinA=4/5 and cosA=3/5

manishsatywali
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dw:1359655263909:dw

manishsatywali
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yes u r right@keelym

keelyjm
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alright thank you!

manishsatywali
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welcum ji