Question 833809
prove sin^2 (theta) 
a. 1 
b. cos^2 (theta) 
c. 1+ cos^2 theta 
d.1- cos^2 theta
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Since sin^2 + cos^2 = 1,
sin^2(t) = 1 - cos^2(t)
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Ans: d
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Cheers,
Stan H.
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