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Show that tan 15 +cot 15=4?

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Show that tan 15 +cot 15=4?
  • 1 answers

Aritrika Mukherjee 7 years, 10 months ago

Sin 15 / cos 15+cos 15 / sin15 (Sin sq.15+cos sq.15) / (sin15 cos 15) 1/(1/2 sin 30) 2/sin 30 2/(1/2) =4
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