Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesMaximum and minimum values of trigonometrical functions, Conditional trigonometrical identities
EasyIf $f(x) = a \cos(bx + c) + d$,then the range of $f(x)$ is
- A$[d + a, d + 2a]$
- B$[a - d, a + d]$
- C$[d + a, a - d]$
- D$[d - a, d + a]$
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