Categories > vectors-m > Scalar Product > If $\mathbf{x}+\mathbf{y}+\mathbf{z}=0,|\mathbf{x}|=|\mathbf{y}|=|\mathbf{z}|=2$ and $\theta $ is angle between $\mathbf{y}$ and $\mathbf{z}$, then the value of $\text{cose}{{\text{c}}^{2}}\theta +{{\cot }^{2}}\theta $ is equal to

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Question: If $\mathbf{x}+\mathbf{y}+\mathbf{z}=0,|\mathbf{x}|=|\mathbf{y}|=|\mathbf{z}|=2$ and $\theta $ is angle between $\mathbf{y}$ and $\mathbf{z}$, then the value of $\text{cose}{{\text{c}}^{2}}\theta +{{\cot }^{2}}\theta $ is equal to


1) 4/3
2) 5/3
3) 1/3
4) 1
Solution: Explanation: No Explanation
Scalar Product Dot Product

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