Question

Tan23.tan35.tan60.tan67.tan55 =

(a) 1 (b) 1/√3 (c) √3 (d) 0

maths

STD 10

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Answer 1

c

Explanation:

since all the tangent(tan) angles are multiplying,

you factor tan out and multiply the numbers. that's : tan( 23+35+60+67+55)

tan(240)

tan(240) =√3