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Q.The value of cos⁡105∘\cos 105^\circ is

a
(2−3)/4(\sqrt{2} - \sqrt{3})/4
b
−(3+2)/4 - (\sqrt{3} + \sqrt{2})/4
c
(3−2)/4(\sqrt{3} - \sqrt{2})/4
d
−(3−2)/4 - (\sqrt{3} - \sqrt{2})/4

Correct Answer: Option D

The correct solution involves applying the fundamental concept to derive the final value step by step...

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