BrainIess BrainIess

03-07-2017
Mathematics

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How do you solve these questions?

1. Solve tan²θ = tanθ

2. Find the following and express your answer in polar form.
(2 - j)(cos45° + j sin45°)

Respuesta :

Аноним Аноним

03-07-2017

tan^2θ - tanθ = 0
tanθ ( tanθ - 1) = 0
tanθ = 0 or 1

θ = 0,180, 360 , 45 , or 225 ( where 0 =< θ <= 360)

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