\operatorname { tan } \frac { \pi } { 8 } \cdot \operatorname { tan } – InterviewSolution

InterviewSolution

1.	\operatorname { tan } \frac { \pi } { 8 } \cdot \operatorname { tan } 3 \pi \cdot \operatorname { tan } 5 \pi \cdot \operatorname { tan } 7 \pi = 1
Answer» after putting these values it can be solved easily it will be 1

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