Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesMaximum and minimum values of trigonometrical functions, Conditional trigonometrical identities
DifficultIf $p$ and $q$ are positive numbers such that $p^2 + q^2 = 1$,then the maximum value of $p + q$ is:
- A$2$
- B$1/2$
- C$\frac{1}{\sqrt{2}}$
- D$\sqrt{2}$
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