find sin 45 degrees + cos square 35 degrees by sin square 60 degrees + cos square 30 degrees
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Answer:
sin 45=1/root2
cos square 45=1/root2 * 1/root2 = 1/2
sin square 60=root3/2 * root3/2 = 3/4
cos square 30 =root3/2 * root3/2=3/4
so
[1/root2 + 1/2] / 3/2
2 + root2/2root2] /3/2
2 + root2 / 3root2
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