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(Cos^4x-sin^4)is equal to_____

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(Cos^4x-sin^4)is equal to_____
  • 6 answers

Aadya Singh 5 years, 8 months ago

Zero kaise...??? ?

?Ritesh Gupta☺️ 5 years, 8 months ago

Hi

Shreya S❤ 5 years, 8 months ago

Ans is zero

Shreya S❤ 5 years, 8 months ago

Zero

Aadya Singh 5 years, 8 months ago

cos^2x - sin^2x ....may be ?
Sorry I can't understand
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