SOLUTION: A is a reflexive angel whose sin is (-5/13). Find cos (4A). Show your calculation.

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Question 1105439: A is a reflexive angel whose sin is (-5/13). Find cos (4A). Show your calculation.
Answer by ikleyn(52800) About Me  (Show Source):
You can put this solution on YOUR website!
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A is a reflexive angel whose sin is (-5/13). Find cos (4A). Show your calculation.
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The word "reflexive" is EXCESSIVE and UNNECESSARY in this post.

The word "angle" is written incorrectly.