Mind map
Identities
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Identities
Sum identities
- sin(A+B)=sinA.cosB+CosA.sinB
- cos(A+B)=cosA.cosB-sinA.sinB
- sin(A+B)=sinA.cosB+CosA.sinB
Diffrence identities
- sin(A-B)=sinA.cosB-cosA.sinB
- cos(A-B)=cosA.cosB+sinA.sinB
- Done:Nouf Alkahi &Lama Alshuraihi
- cos(A-B)=cosA.cosB+sinA.sinB
- sin(A-B)=sinA.cosB-cosA.sinB
Double and half angle identities
- sin2Q=2sinQ.cosQ
- cos2Q=cos^2Q-sin^2Q
- cos2Q=2cos^2Q-1
- cos2Q=1-2sin^2Q
- tan2Q=2tanQ/1-tan^2Q
- cos2Q=1-2sin^2Q
- cos2Q=2cos^2Q-1
- cos2Q=cos^2Q-sin^2Q
- sin2Q=2sinQ.cosQ
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- Mind Map on Identities, created by nf f on 04/12/2014.
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- nf f
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