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Popular >

-cos(2x+3)=0

Solution

- cos (2 x + 3) = 0

Solution

x = πn - \frac{3}{2} + \frac{π}{4}, x = πn - \frac{3}{2} + \frac{3 π}{4}

+1

Solution steps

- cos (2 x + 3) = 0

Divide both sides by

- 1

cos (2 x + 3) = 0

General solutions for

cos (2 x + 3) = 0

2 x + 3 = \frac{π}{2} + 2 πn, 2 x + 3 = \frac{3 π}{2} + 2 πn

Solve

2 x + 3 = \frac{π}{2} + 2 πn : x = πn - \frac{3}{2} + \frac{π}{4}

Solve

2 x + 3 = \frac{3 π}{2} + 2 πn : x = πn - \frac{3}{2} + \frac{3 π}{4}

x = πn - \frac{3}{2} + \frac{π}{4}, x = πn - \frac{3}{2} + \frac{3 π}{4}

Popular Examples

tan(2x)=(-270-120)/(130)

tan (2 x) = \frac{- 270 - 120}{130}

cos^2(θ)=(2-sqrt(3))/4

cos^{2} (θ) = \frac{2 - 3}{4}

sin (2 x) = \frac{π}{6}

sin(x)= 8/17 sin(2x)

sin (x) = \frac{8}{17} sin (2 x)

2 = 1 + sin (2 x)

Frequently Asked Questions (FAQ)

What is the general solution for -cos(2x+3)=0 ?
The general solution for -cos(2x+3)=0 is x=pin-3/2+pi/4 ,x=pin-3/2+(3pi)/4