SOLUTION: if sinθ= √5/3, then cos2θ equals
can you please show the steps!
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Question 441871: if sinθ= √5/3, then cos2θ equals
can you please show the steps!
Answer by Gogonati(855) (Show Source): You can put this solution on YOUR website!
As you know,
Substitute in the last identity: , and find
.
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