3. Use the cofunction identities to write an expression that is equivalent to each of the following expressions. Tan 3/8 3(180)/8= 67.5 =cot (/2-67.5) =cot 22.5 22.5 x /180 = cot /4 the answer is cot /8 I dont know why though..
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Originally Posted by Skoz 3. Use the cofunction identities to write an expression that is equivalent to each of the following expressions. Tan 3/8 3(180)/8= 67.5 =cot (/2-67.5) =cot 22.5 22.5 x /180 = cot /4 the answer is cot /8 I dont know why though.. co-function identities ... now ... what is ?
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