Answer:
cos(π12)=cos(π3−π4)=cos(π3)cos(π4)+sin(π3sin(π4))=(12)(√22)+(√32)(√22)=√2+√64. So we see that cos(π12)=√2+√64
Step-by-step explanation.
Step-by-step explanation:
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Answer:
cos(π12)=cos(π3−π4)=cos(π3)cos(π4)+sin(π3sin(π4))=(12)(√22)+(√32)(√22)=√2+√64. So we see that cos(π12)=√2+√64
Step-by-step explanation.
Answer:
Step-by-step explanation: