Question

If tan 45° - cos² 30° = x sin 45° cos 45°, then x =

(a) 2.
(b) -2
(c)
12
(d)
이​

Answer 1

Answer:

1/2

Step-by-step explanation:

1-3/4=x 1/root2 1/root2

1/4=x 1/2

x=1/2

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