showthattan48tan23tan42tan67=1
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HEY
HERE IS YOUR ANSWER
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tan48 tan23 tan42 tan67=1
LHS
tan48 tan42 tan23 tan67
tan48 tan(90-48) tan23 tan(90-23)
tan48 cot48 tan23 cot23
(tan48 1/tan48)( tan23 1/tan23)
1 × 1
=1
RHS proved
*****************************************************
THANKS
HERE IS YOUR ANSWER
******************************************************
tan48 tan23 tan42 tan67=1
LHS
tan48 tan42 tan23 tan67
tan48 tan(90-48) tan23 tan(90-23)
tan48 cot48 tan23 cot23
(tan48 1/tan48)( tan23 1/tan23)
1 × 1
=1
RHS proved
*****************************************************
THANKS
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