Question

if cos ^4 theta + sin ^2 theta is equals to M then​

Answer 1

Answer:

cos^4  θ+sin^2  θ=cos^4  θ−cos^2 θ+1=m

∴(cos^2  θ−  1/2)^2 +  3/4 =m    

∴m≥  3/4

Maximum value of cosθ=1

∴m≤  3/4 +(1−  1/2)^2 = 1

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Answer 2

Answer:

Option B

Step-by-step explanation:

Just replace A by m