Math, asked by anushka951328, 10 months ago

sin^4A-cos^4A=k(sin^2A-cos^2A)find the value of K​

Answers

Answered by tushar0007
4

sin⁴A - cos⁴A = (sin²A + cos²A)(sin²A - cos²A)

=> sin⁴A - cos⁴A = 1(sin²A - cos²A)

So, k = 1.

Similar questions