evaluate 2÷√3 tan5°.tan15°tan60 .tan75°.tan85°
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Answer:3/2
Step-by-step explanation:
2÷√3 tan5°.tan15°tan60 .tan75°.tan85°
=2÷√3 cos85° .cos75°.tan60°.tan75°.tan85
=2÷√3 tan 60
=2÷√3 *√3
3/2
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