Describe a general strategy for solving the equation \sin 2x = \sin x. Do

Lipossig

Lipossig

Answered question

2021-09-12

Describe a general strategy for solving the equation sin2x=sinx. Do not solve the equation.

Answer & Explanation

nitruraviX

nitruraviX

Skilled2021-09-13Added 101 answers

Step 1 Let us describe general strategy for solving the equation
Given:
sin2x=sinx
Step 2 Answer
sin2x=sinx
2sinxcosx=sinx
2cosx=1
cosx=12
x=cos1(12)
x=π3

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