Find the value of the expression given below: |
\[\frac{\mathbf{1}}{\mathbf{8}}\mathbf{cose}{{\mathbf{c}}^{\mathbf{2}}}\mathbf{(5}{{\mathbf{2}}^{\mathbf{o}}}\mathbf{-}\theta \mathbf{)-}\frac{\mathbf{1}}{\mathbf{4}}\mathbf{ta}{{\mathbf{n}}^{\mathbf{2}}}\]\[\mathbf{(3}{{\mathbf{8}}^{\mathbf{o}}}\mathbf{+}\theta \mathbf{)+}\frac{\mathbf{7}}{\mathbf{8}}\mathbf{se}{{\mathbf{c}}^{\mathbf{2}}}\mathbf{(3}{{\mathbf{8}}^{\mathbf{o}}}\mathbf{+}\theta \mathbf{)-}\frac{\mathbf{3}}{\mathbf{4}}\mathbf{co}{{\mathbf{t}}^{\mathbf{2}}}\mathbf{(5}{{\mathbf{2}}^{\mathbf{o}}}-\theta )\] |
A) 0
B) 1
C) \[-\,1\]
D) 2
E) None of these
Correct Answer: B
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