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trig identities
trig identities 10/04/2019 06:18 AM CST

I wanna to share with you some knowledge about trigonometric identities,
So as we know that The functions' sine, cosine and tangent of an angle are usually mentioned to as the primary or basic trigonometric functions. Their usual abbreviations are sin(?), Cos(?) and tan(?), respectively.
so according to my point of view trig idenetities is best site having with easy understandable content. trig identities is best option which i think so.