Question

Sin a+b equal sin a +sin b

Answer 1

Answer:

no sin(a+b) is equal to. sin a cos b+cos a sin b

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Answer 2

$\Huge\bf\maltese{\underline{\green{Answer}}}\maltese$

$\implies$$\large\bf{\underline{\red{VERIFIED✔}}}$

$sin(a + b) = sin \: a + sin \: b \\ \\let \: a = {30}^{0} \: and \: b = {60}^{0} \\ \\ \sin( {30}^{0} + {60}^{0}) = \sin{30}^{0} + \sin {60}^{0} \\ \\ \sin {90}^{0} = \sin {30}^{0} + \sin {60}^{0} \\ \\ 1 = \frac{1 + \sqrt{3} }{2} \\ \\ 1≠ \frac{1 + \sqrt{3} }{2} \\ \\ = > false.$

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