coolkat4
An acute angle θ is in a right triangle with sin θ =1/2 . What is the value of cot θ?



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cwrw238
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dw:1357493392863:dw

cwrw238
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cot theta = 1 /tan theta

cwrw238
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do u need any more help/

coolkat4
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it's sqrt3/2 correct?

cwrw238
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no what is value of tan theta in this triangle (remember tan = opposite side /adjacent)

coolkat4
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1/sqrt3

cwrw238
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right, so cot theta is 1 / (1/sqrt3)

cwrw238
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 which is adjacent / opposite right?

coolkat4
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sqrt3/1
1/sqrt3
2/sqrt3
sqrt3/2
wait so which would be right and why?

cwrw238
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correct is sqrt3 / 1 or just sqrt3
adjacent side = sqrt3
opposite = 1

cwrw238
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theres a mnemonic which helps you rmember the trig rations:
SOHCAHTOA have u come across that ?

coolkat4
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yeah i was just getting confused thank you!

cwrw238
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yw