Question

If y sin 45º cos 45º = tan 45º - cos2 30°, then y=​

Answer 1

Answer:

y* 1/√2 × 1/√2 = 1- (√3/2)^2

y*1/2 = 1-3/4

y = 1/4 × 2/1

y = 1/2

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