guys , following is the problem(adsbygoogle = window.adsbygoogle || []).push({});

(sinx)^4 + (cosx)^4

and

(sinx)^6 + (cosx)^6

they are asking for the range for each of them

i really have know clue how to solve this...any sugeestion please?....thanks for reading this!!

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# Homework Help: Trigonometry question find range

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