An Easy Way To Learn The Basic Trigonometric Identities

First learn the structure. Learn the positions of the six trigonometry functions. First comes the \sin function, underneath it comes the \cos function.

trigonometric identities

Then in the next column comes the \csc function, underneath it comes the \sec function. And in the last column comes the \cot function and underneath it comes the \tan function. Learning this position is important and just one time. The six trig functions are specially placed in the above given places, so as to serve our need.¬† » Read more

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