6,561 (i solved it by using this sentence: (9x9) x (9x9)= 81x81=6,561
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Cosine squared theta = 1 + Sine squared theta
.5(x-sin(x)cos(x))+c
(3y2)4*3y2*3y2*3y2*3y2 = 38*y16 = 6561y16
16 to the 4th power, or 16 x 16 x 16 x 16 = 65,536
3 squared is the same as saying 3 times itself which = 9. The answer to 3 squared is solved using these steps. Squared = to the second power Which is to multiply the number by its self 2 times. So 3 squared is 3 times three. So your answer is 9