Q. 105.0( 4 Votes )
If tan2 45° - cos2 30° = x sin 45° cos 45°, then x =
A. 2
B. - 2
C. –1/2
D. 1/2
Answer :
Given,
tan2 45° - cos2 30° = x sin 45° cos 45° …….(i)
put the values in equation (i),
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