Question

sin15.cos30+cos15.sin30​

Answer 1

Answer:

here your answer

Step-by-step explanation:

that has formula

sin(A+B) = sinAcosB+cosAsinB

∴ sin15.cos30+cos15sin30 = sin(15+30) = sin 45 = $\frac{1}{\sqrt{2}}$ = 0.707106781 ≈ 0.71

Answer 2

Answer:

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Step-by-step explanation