If tan x = cot(45° + 2x), then what is the value of x?

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If tan x = cot(45° + 2x), then what is the value of x?

A45

B15

C30

D60

Answer:

B. 15

Read Explanation:

if tan a = cot b a + b = 90° tan x = cot (45 + 2x) x + 45 + 2x = 90 3x = 45 x = 15

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