Plz help ASAP solve for x in 1. sin x = cos 2x 2. cos 2x = sin 3x 3. sin x = cos x thx

asked Apr 3, 2021 48.2k views

2 votes

Plz help ASAP

solve for x in
1. sin x = cos 2x
2. cos 2x = sin 3x
3. sin x = cos x
thx

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2 votes

1. x = π/6 + 2πn/3, for any integer n

2. Is not possible to solve (I think)

3. x = π/4 + πn, for any integer n

Abellina answered Apr 10, 2021

5.2k points

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