4 13/20 as a decimal in long devision
Form

4.65

0.65 is 13/20 in decimal form add that to 4 you get 4.65. I don't know what you mean by Long division form since it's just solving in the way of the picture shown up above. But that's not the same equation as this one btw. If you ment something else let me know. Click on it to get full view.

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11.2

step-by-step explanation:

when doing tangent the tangent of the angle is equal to the opposite side from the angle over the adjacent side to the angle.

tan43 = x / 12

move 12 over by multiplying each side by 12

12tan43 = x

x = about 11.2

the answer is a) y= 2 csc [0.5 (x+pi/2)]-1

step-by-step explanation: