Math, asked by gvaibhav978, 1 year ago

if A = sin^2 theta + cos^4 theta then prove that 3/4 <=A<=1 FOR ALL REAL VALUES OF THETA (IIT)

Answers

Answered by JinKazama1
13
Steps:
1) We will calculate the maximum and minimum value of given expression.
2)Since, given function is continuous, so
min <=F(theta) <= max

See, pic to get Max and min.
Attachments:
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