Math, asked by mohammadanas25, 5 months ago

tan10°tan15°tan75°tan80°=1 Show that

Answers

Answered by jyotirmay77

2

Step-by-step explanation:

tan10^°tan15^°tan75^°tan80^°

=cot80^°cot75^°tan75^°tan80^°

=1/tan80^°x1/tan75^°xtan75^°xtan80^°

=1 proved

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