prove-that-sin-2-x-cos-2-y-tan-2-z-cot-2-z-

Question Number 84988 by jagoll last updated on 18/Mar/20

prove that

\sin^{2} x + \cos^{2} y = \tan^{2} z + \cot^{2} z

Commented by MJS last updated on 18/Mar/20

strange question

Commented by jagoll last updated on 18/Mar/20

hahahaha

Commented by mind is power last updated on 18/Mar/20

p l e a s e c o m p l e t t h e q u a t i o n n o s e n s

Commented by jagoll last updated on 18/Mar/20

i {don}^{'} t know sir . someone share to me

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