The maximum value of \sin^4\theta + \cos^4\theta is

RRB Non Technical Model Papers 8 with solutions

Question : 48 of 100

Marks: +1, -0

The maximum value of

sin^4θ + cos^4θ

Solution:

(1) We know that the value of

sin^4 θ+ cos^4θ will be maximum if θ = 0°.

∴ Required value

= sin^4 0°+ cos^40° = 0 + 1 = 1.

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