Question

If y sin 45 degree cos 45 degree =tan square 45 degree - cos square 30 degree, then y=...
(al-1/2 (b) 1/2 (c)-2 (a)2​

Answer 1

Answer:

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Step-by-step explanation:

y sin45 . cos45 = sin^2 (45) - cos^2 (30)

Y x 1/sqrt X 1/sqrt2=1-1/2

Y/2=1/2

Y=1