SOLUTION: express as the cofunction of a positive acute angle not using a calculator of tan -235 degrees.
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Question 33118: express as the cofunction of a positive acute angle not using a calculator of tan -235 degrees.
Answer by venugopalramana(3286) (Show Source): You can put this solution on YOUR website!
TAN(-235)=-TAN(235)SINCE IN IV QUADRANT TAN IS NEGATIVE....TAN(-X)=-TAN(X)
=-TAN(180+55)=-TAN55..SINCE IN III QUADRANT TAN IS POSITIVE..TAN(180+X)=TAN(X)
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