Range of `f(theta)=cos^2theta(cos^2theta+1)+2sin^2theta` is `[3/4,1]` (b) `[3/(16),1]` (c) `[...
313 views · Published 21 September 2017 · 2:40 · Indexed 8 November 2026
Channel: Doubtnut · 2017 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW Range of `f(theta)=cos^2theta(cos^2theta+1)+2sin^2theta` is `[3/4,1]` (b) `[3/(16),1]` (c) `[3/4,7/4]` (d) `[7/4,2]`
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