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If 4tan theta =3 then (cos²-sin² …

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If 4tan theta =3 then (cos²-sin² theta). =?
  • 2 answers

Bhavya Maheshwari 3 years, 9 months ago

Tan theta = 3/4 then P=3k B=4k H=5k ( Pythagoras) Cos² - sin² = (4/5)² - (3/5)² = 16/25 - 9/25 = 7/25

Reena Ahirwar 3 years, 9 months ago

Therefore we can say that when tan theta =34,cos 2 theta -sin 2 theta =725
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