Question

If cos4 teta+sin2 teta=m, then​

Answer 1

Answer:

1

Step-by-step explanation:

ANSWER

cos4θ+sin2θ=cos4θ−cos2θ+1=m

∴(cos2θ−21)2+43=m    

∴m≥43

Maximum value of cosθ=1

∴m≤43+(1−21)2=1

Answer 2

Answer:

Here is your answer

Step-by-step explanation:

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