SOLUTION: prove sin^2 (theta) a. 1 b. cos^2 (theta) c. 1+ cos^2 theta d.1- cos^2 theta

Algebra ->  Trigonometry-basics -> SOLUTION: prove sin^2 (theta) a. 1 b. cos^2 (theta) c. 1+ cos^2 theta d.1- cos^2 theta      Log On


   

Question 833809: prove sin^2 (theta)
a. 1
b. cos^2 (theta)
c. 1+ cos^2 theta
d.1- cos^2 theta
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
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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