Question: help please 31. Show that arcsin + arcsin 5 56 = arcsin 13 65 For reference: THEOREM 4.6.2 Sum and Difference Formulas for the Sine
help please

31. Show that arcsin + arcsin 5 56 = arcsin 13 65 For reference: THEOREM 4.6.2 Sum and Difference Formulas for the Sine For all real numbers x, and x2, sin(x, + x2) = sinx, cos.x2 + cosx, sin.x2 (4) sin(X, - X2) = sin.x, cos.x2 - cos.x, sin.x2
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