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If (x − 2)(sin60°cos30° + cos60°sin30°) = sin2 60° + tan4 45° − cosec245°then find x.

Answer»

Answer:

7/4

Step-by-step EXPLANATION:

sinacosb + cosasinb = SIN(a+b)

therefore,

(x-2)* sin(90) = 3/4 + 1 - 2                   # SIN60 = sqrt(3)/2, TAN45 = 1,csc^2(45)=2

(x-2) = -1/4

x=7/4



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