Grade 12Trigonometry
What is the period of the function f(x)=sin^4x+cos^4x?
1 Answer
Tushar
Hello Friend. You can write it as 1-2sin²xcos²x.. which can further be written 1-sin²2x/2. Which would further be a function of cos4x .. Hence period would be 2π/4. Which is π/2..
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