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Prove that left site is equal to the right.?

0 votes

There might be a mistake, because it's not uncommon in this book that I'm using!

 

asked Jul 23, 2014 in TRIGONOMETRY by anonymous

1 Answer

0 votes

The trigonometric equation is image.

Left hand side : image

image

image

Pythagorean identity : image.

image

image

image

image

image

image

image

Trigonometric function: tan x = sin x/cos x.

image

image.

= Right hand side.

answered Jul 23, 2014 by lilly Expert

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