Math, asked by sainibhumika1209, 10 months ago

Show that
tan48'tan23'tan42'tan67'is equal to 1
if'means degree

Answers

Answered by Jb2030

0

tan48 × tan42 × tan23 × tan67

= tan48 × cot48 × tan23 × cot23

= tan48 × 1/tan48 × tan23 × 1/tan23

= 1

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