Show that: tan 48 tan 23 tan 67=1

1.	Show that: tan 48 tan 23 tan 67=1
Answer» your question is wrong OK. ?tan48.tan23.tan42.tan67=1RHS=tan48.tan42.tan23.tan67.=tan48.tan(90-48).tan23.tan(90-23).=tan48.cot48.tan23.cot23.=tan48.1/tan48.tan23.1/tan23=1I hope this really help you ???

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