The value of is : Method: 2 Since all options are constant then, we c
| The value of
is :


A. 1
B. 0
C. -2
D. 2
Right Answer is: C
SOLUTION
Method: 2
Since all options are constant then, we can put θ = 45o and check the options.
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The value of is :
Method: 2
Since all options are constant then, we c