SOLUTION: express as the cofunction of a positive acute angle. ctn 250� ; sec - 160� ; sin 340� ; tan

SOLUTION: express as the cofunction of a positive acute angle. ctn 250� ; sec - 160� ; sin 340� ; tan - 235� .

Question 378187: express as the cofunction of a positive acute angle. ctn 250� ; sec - 160� ; sin 340� ; tan - 235� .
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
express as the cofunction of a positive acute angle.
ctn 250�
= cot(70�) (most people and computer programs use cot for cotangent)
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sec - 160� Is it -160 ?
= sec(160)
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sin 340�
= sin(-20)
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tan - 235�
= tan(-55)

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