57 Plot the point whose polar coordinates are 4. A th 2 1 1 bu -...

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Answer 1

Answer #1

Polar - (r, theta)

Cartesian - (r*cos(theta), r*sin(theta))

For polar (4, 5π/3)

Cartesian - (4cos(5π/3), 4sin(5π/3))

= (2, -3.464)

5 -5 0 5 (2, –3.464) --5 .

(2)

Polar - (2, π/3)

Cartesian - (2cos(π/3), 2sinπ/3))

= (1, 1.7321)

.

(3)

AB²+ AC²-BC2 cos (LCAB) - 2x ABAC cas (43.3) = x² + (292) ² - 5437² 2x Anx 292 425.022 x - 209585 2- 425.02n- 209585=0 N= 717

.

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Answer 2

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