Trig identity proofs: sin(A+B) = sinAcosB + cosAsinB

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Australia Magic Monk
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Published on ● Video Link: https://www.youtube.com/watch?v=mO-2D-L4yc8


Duration: 18:43
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In this video I present this proof in the smallest steps possible. All you need to know to understand this are the basic trig rules sin(theta)=opposite/hypotenuse etc.



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Tags:
trigonometry
trig identity
trigonometric identity
trigonometric identities
trig identities tutorial
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