Pre-Calc/Trig Unit 3: Analytic Trig and Applications/5.3 and 5.4 Sum//Difference Identities Use the cofunction identities to find an angle θ that makes the statement ... Use the cofunction identities to find an angle θ that makes the statement true.

sec (6θ + 17°) = csc (2θ - 7°)

]]> 1.0000000 0.3333333 0 true true abc θ = 10°

]]> Correct

]]> θ = 40°

]]> Incorrect.  These are cofunctions.  The angles add up to 90.

]]> θ = 

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]]> θ = 

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]]>