Let A = 30° and B = 60°. Verify each of the following sin (A-B) = sin A cos B - cos A sin B.
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Answered by
1
Step-by-step explanation:
LHS.
Sin (A-B)
Sin(30-60)
Sin (-30)
-1/2
RHS
Sin30 * Cos60 - Cos30 * Sin60
1/2 * 1/2 - √3/2 * √3/2
1/4-3/4
-1/2
Hence proved
Answered by
0
by A=30 and B =60. answer will be -1/2. i hope it helps u .....
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