Maths-
General
Easy
Question
In the given figure, θ is an angle. If
, what is cos θ?

The correct answer is: 

Step-by-step solution:-
From the above formula-


∴ 


∴ 

Since the given angle lies in the second quadrant and the sign of Cos θ in the second quadrant is always negative,
∴ Cos θ = 
Final Answer:-
Option C i.e.
is the correct Option.
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