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Sin(x-pi/2)=-cosx Prove the identity
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Sin(x-pi/2)=-cosx Prove the identity
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Nov 28, 2020
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Sin(x-pi/2)=-cosx
Prove the identity
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let's bear in mind that sin(π/2) = 1 and cos(π/2) = 0.
Ashwin Ramaswami
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Dec 2, 2020
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Ashwin Ramaswami
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