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Verifying Trigonometric Identities

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asked Jul 5, 2014 in TRIGONOMETRY by anonymous

1 Answer

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The trigonometric equation is .

Left hand side identity  =.

Double angle identities :

                                         .

image

image

image.

Double angle identities : image.

image

= Right hand side identity.

answered Jul 5, 2014 by lilly Expert

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