Trigonometry> Find the value of this equation,Tan1°+ Ta...

Find the value of this equation,Tan1°+ Tan2°+ ..........Tan89°=

Lokesh , 3 Years ago

Grade 12th pass

2 Answers

Debarati

Last Activity: 3 Years ago

tan 1 = cot (90-1) = cot 89
cot 89.tan 89 = 1
=> tan 1.tan 89 = 1
Similarly, tan 2.tan 88 = 1 and so on
Thus, tan 1.tan 2. ….. tan 89 = 1

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