Math, asked by akash18778, 1 year ago

if a=45 and b=30 then find the valu of sin a cos b -cos a sin b​

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Answered by Anonymous
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Answered by Anonymous
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Step-by-step explanation:

sin a cos b - cos a sin b = sin 45° cos 30° - cos 45° sin 30°

                                        = (1/√2)(√3/2)-(1/√2)(1/2)

                                         =(√3/2√2)-(1/2√2)

                                         = √3-1 / 2√2

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