Math, asked by 9989181927, 1 year ago

tan 48° tan 16° tan 42° tan 74°=1

Answers

Answered by tapankumarroy333

8

Answer:

tan 48° tan(90-74)° tan(90-48) ° tan 74°

= tan 48° cot 74° cot 48° tan 74°

=1(proved)

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