Question

find theta for tan^2theta-2 tan theta + 1 =0.
Guys, pls any ine help!!
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Answer 1

Answer:

theta=45 degrees

Step-by-step explanation:

let tan theta=x

x^2-2x+1=0

x^2-x-x+1=0

(x-1)(x-1)=0

x=1

tan theta =1 (x=tan theta)

theta =tan inverse of 1

theta =45