The value of tan5 multiplication tan25 multiplication tan45 multiplication tan65 multiplication tan85 is
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Step-by-step explanation:
tan45° = 1
tan5° = cot85°
tan25° = cot65°
tan5° x tan25° x tan45° x tan 65° x tan85°
=> cot85° x tan85° x tan45° x cot65° x tan65°
(cotθ x tanθ = sin/cos x cos/sin = 1)
=> 1 x 1 x 1 = 1
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