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Find exact value of sin^2(pi/14) + cos^2(pi/14)

 Sep 25, 2014

Best Answer 

 #1
avatar+23245 
+10

Since sin²X + cos²X = 1, the answer is 1.

 Sep 25, 2014
 #1
avatar+23245 
+10
Best Answer

Since sin²X + cos²X = 1, the answer is 1.

geno3141 Sep 25, 2014

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