Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesMix Examples-Trigonometrical Ratios, Functions and Identities
Difficultજો $x \cos \theta = y \cos \left( \theta + \frac{2\pi}{3} \right) = z \cos \left( \theta + \frac{4\pi}{3} \right)$ હોય,તો $\frac{1}{x} + \frac{1}{y} + \frac{1}{z}$ ની કિંમત કેટલી થાય?
- A$1$
- B$2$
- C$0$
- D$3 \cos \theta$
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