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Trigonometric Functions Of Sum And Difference Of Two Angles.

sin(A+B) = sinAcosB+cosAsinB

sin(A−B) = sinAcosB–cosAsinB

cos(A+B) = cosAcosB–sinAsinB

cos(A–B) = cosAcosB+sinAsinB

tan(A+B) = tanA+tanB / 1–tanAtanB

tan(A–B) = tanA–tanB / 1+tanAtanB

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  • asked 3 years ago
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  • active 3 years ago

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