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How do I find the product z1z2 if z1 5(cos20 plus isin20) and z2 8(cos15 plus isin15)?
Like normal expansion of brackets, along with: cos(A + B) = cos A cos B - sin A sin B sin(A + B) = sin A cos B + cos A sin B 5(cos 20 + i sin 20) × 8(cos 15 + i sin 15) = 5×8 × (cos 20 + i sin 20)(cos 15 + i sin 15) = 40(cos 20 cos 15 + i sin 15 cos 20 + i cos 15 sin 20 + i² sin 20 sin 15) = 40(cos 20 cos 15 - sin 20 cos 15 + i(sin 15 cos 20 + cos 15 sin 20)) = 40(cos(20 +15) + i sin(15 + 20)) = 40(cos 35 + i sin 35)
Sin 15 plus cos 105 equals?
Sin 15 + cos 105 = -1.9045
Sin x degrees equals 4 over 15 what would the value of x be?
x = sin-1 (4/15) ( sin -1 is [SHIFT] [sin] on a calculator ) = 15.5
Is there a bible verse about stubborness?
1,Samuel.15:23,"Rebellion is as the sin of witchcraft and stubbornness is as iniquity and idolatry: because thou has rejected the word of the LORD, He has also rejected thee from being king." KJV 1611
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Sin-A-Matic was created on 2003-07-15.
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Madame Sin was created on 1972-01-15.
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It's a Sin was created on 1987-06-15.
When did Samuel Whitside die?
Samuel Whitside died on 1904-12-15.
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Samuel Wanjiru died on 2011-05-15.
When was Samuel Rayner born?
Samuel Rayner was born on 1806-04-15.
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Samuel Rothschild died on 1987-04-15.
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Samuel Putnam died on 1950-01-15.
