Question

if A=B=60 verify sin(A-B)= sinA cosB - cosA sinB​

Answer 1

Answer:

0

Step-by-step explanation:

sin(A-B) =sinAcosB-cosAsinB

sin60cos60-cos60sin60

√3/2×1/2-1/2×√3/2

√3/4-√3/4

0

hence verified

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Answer 2

Step-by-step explanation:

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