Welke formule is juist ? |
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A. sin ( α + β ) = sinα + sin β |
B. sin ( α + β ) = sinα.cos α + sin β .cos β |
C. sin ( α + β ) = sinα.cos β + sin β .cosα |
D. sin ( α + β ) = sinα.cos β − cosα.sin β |
E. sin ( α + β ) = cosα.sin β − sinα.cos β |
[ 5-2047 - op net sinds 25.9.04-(E)-4.11.2023 ]
Which formula is correct ? | A. sin (α+β ) = sinα + sin β |
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B. sin (α+β ) = sinα.cos α + sin β .cos β |
C. sin (α+β ) = sinα.cos β + sin β .cosα |
D. sin (α+β ) = sinα.cos β − cosα.sin β |
E. sin (α+β ) = cosα.sin β − sinα.cos β |