A) \[{{\cos }^{-1}}(3/5)\]
B) \[{{\cos }^{-1}}(4/5)\]
C) \[\pi /2\]
D) \[{{\sin }^{-1}}(3/4)\]
Correct Answer: A
Solution :
Here, triangle is \[\theta ={{\cos }^{-1}}\left( \frac{|C|}{|A|} \right)\] \[\theta ={{\cos }^{-1}}\left( \frac{3}{5} \right)\]You need to login to perform this action.
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