Question

Sin45cos45-cos60sin60

Answer 1

Here is the solution......

Answer 2

Answer:

Sin 45 = 1/\sqrt{2}

Sin 45 = 1/\sqrt{2}Cos 45=1/\sqrt{2}

Sin 45 = 1/\sqrt{2}Cos 45=1/\sqrt{2}Cos 60=1/2

Sin 45 = 1/\sqrt{2}Cos 45=1/\sqrt{2}Cos 60=1/2Sin 60 =\sqrt{3}/2

•°• 1/\sqrt{2} × 1/\sqrt{2} - 1/2 × \sqrt{3}/2

•°•1/2-\sqrt{3}/4

Answer : 4-2\sqrt{3}

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