Prove that the pythagorean theorem is equivalent to trigonometric identity sin^2(x) + cos^2 (x) = 1 and that this identity leads to 1 + tan^2(x) = sec^2(x) and 1 + cot^2 (x) = csc^2 (x).

7

step-by-step explanation:

what level of math? also i don't need to be paid if i can you.

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arc length = radius * x ( in radians)

6 * pi = 18 * x

divide by 18 on each side

6 pi / 18 = x

pi/3 = x

the angle is pi / 3 radians

or   60 degrees