- Verify the identity. (7 points) sin(x+pi/2)=cosx?

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Divide 117 billion by 327 million? La reaccion entre un acido organico y un - origina un derivadode acido.? What is the real and imaginary parts of the principal value ofi^(log(1+i))? How do I decript this passcode (NmI2OTc0NmI2MTc0Nm)? Many thanks? Do electrons in a superconductor collide with atoms in the superconductor? explain your answer.?