SOLUTION: Verify that each equation is an identity. sin2(x)/sin(x)= 2/sec(x)

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Question 706383: Verify that each equation is an identity.
sin2(x)/sin(x)= 2/sec(x)
Answer by mouk(232) About Me  (Show Source):
You can put this solution on YOUR website!
Use the identity +sinA=2sinAcosA+

Then:
+sin2x%2Fsinx+=+2sinxcosx%2Fsinx+
+sin2x%2Fsinx+=+2cosx+
+sin2x%2Fsinx+=+2%2F%281%2Fcosx%29+
+sin2x%2Fsinx+=+2%2F%28secx%29+ QED