Maths-
General
Easy
Question
- 0
- 1
- 1/2
- 2R
Hint:
First we will rewrite the expression as follows
and then we will use the Sine Rule to find the value of the expression.
The correct answer is: 0
In this question we have to find the sum of 
Step1: Rewriting the expression
The given expression can be rewritten as follows

Step2: Using Sine Rule


By putting these values in the above expression we get,

=>
=>
So, the value of the expression is 
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