is-cos-t-pi-2-trigonometric-function-

Question Number 167536 by mkam last updated on 19/Mar/22

i s c o s (t + \frac{π}{2}) t r i g o n o m e t r i c f u n c t i o n ?

Commented by mkam last updated on 19/Mar/22

? ? ? ? ?

Commented by MJS_new last updated on 19/Mar/22

what do y o u think ?

Commented by mkam last updated on 19/Mar/22

i t h i n k i s p e r i o d f u n c t i o n

Commented by MJS_new last updated on 19/Mar/22

what is a trigonometric function ?

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