SOLUTION: The expression cos 16� cos 164� minus sin 16� sin 164� a) SQRT3/2 b) � 1/2 c)0 d)-1 Answer: d (Just checking to make sure that I did my HW correct) Thanks

SOLUTION: The expression cos 16� cos 164� minus sin 16� sin 164� a) SQRT3/2 b) � 1/2 c)0 d)-1 Answer: d (Just checking to make sure that I did my HW correct) Thanks

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Question 388941: The expression cos 16� cos 164� minus sin 16� sin 164�
a) SQRT3/2 b) � 1/2 c)0 d)-1
Answer: d (Just checking to make sure that I did my HW correct)
Thanks

Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
This is equal to cos(180) which is equal to -1, so D is correct.
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