Solve the following trigonometric equation for all values of x | 0 < x < 360o. (12.5 pt. ea.)

1. 4 cos2 x = 3

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Define multiplicative inverse. give an example of a number and its multiplicative inverse.

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

What is the length of the segment, endpoints of which are intersections of parabolas y=x2? 11 4 x? 7 4 and y=? 7 8 x2+x+ 31 8 ?