evaluate 2sin square 63 + 1 + 2sin square 27 upon 3cos square17 - 2 + 3 cos square 73
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2sin^2 63+2sin^2 27+1 / 3cos^2 17+3cos^2 73-2
2(sin^2 63+sin^2 27)+1 / 3(cos^2 17 +cos^2 73 -2
2(sin^2 63+cos^2 63)+1 / 3(cos^2 17+sin^2 17-2
2(1)+1 / 3(1)-2
2+1 / 3-2
3/1
3 answer
2(sin^2 63+sin^2 27)+1 / 3(cos^2 17 +cos^2 73 -2
2(sin^2 63+cos^2 63)+1 / 3(cos^2 17+sin^2 17-2
2(1)+1 / 3(1)-2
2+1 / 3-2
3/1
3 answer
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