Math, asked by priyanshiverma1307, 7 months ago

tan 15° tan 30° tan 45° tan 60° tan 75° = 1​

Answers

Answered by pratyushnishchal
2

tan 15° tan 30° tan 45° tan 60° tan 75° = 1​

=tan 15° tan (90-15)° tan 30°tan(90-30)° tan 45°

=tan 15° cot15° tan 30° cot30° tan 45°

=1*1*1 ( Since tan theta * cot theta=1 and tan 45°=1)

=1

Hence proved

Thank you

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