If tan 5degree multiplied tan30degreemultipied 4tan
85degree is equal to
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Step-by-step explanation:
ANSWER ::
tan5° × tan30° × 4tan85°
= tan5° × tan30° × 4tan(90° - 5°)
= tan5° × ( 1/√3 ) × 4 × cot5°
= 4 / √3
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