

MCQOPTIONS
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1. |
tan(α - β) = |
A. | tanα-tanβ/1 + tanαtanβ |
B. | tanα+tanβ/1 - tanαtanβ |
C. | cotα+cotβ/1-cotαcotβ |
D. | cotα-cotβ/1 + cotαcotβ |
Answer» B. tanα+tanβ/1 - tanαtanβ | |