Solve. 2 sin^2 x cosx-cosx = 0

moiraudjpdn

moiraudjpdn

Answered question

2022-08-02

Solve.
2 sin 2 x cos x cos x = 0

Answer & Explanation

Paulina Horne

Paulina Horne

Beginner2022-08-03Added 10 answers

x = { π / 4 , 3 π / 4 , 5 π / 4 , 7 π / 4 }
gladilkamwy

gladilkamwy

Beginner2022-08-04Added 3 answers

First factor the equation to give:
cos ( x ) ( 2 sin ( x ) 2 1 ) = 0
Solving or both parts of the equation, we get:
x = { π / 4 , π / 2 , 3 π / 4 , 5 π / 4 , 3 π / 2 , 7 π / 4 }

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