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74. If sinα = A Sin(α +β ) . A is not equal to 0. Then tanβ = (1) sinα (1+Acosβ ) / Acosα cosβ (2)sinα (1-Acosβ ) / Acosα cosβ (3)cosα (1-Asinβ ) / Acosα cosβ (4)cosα (1+Asinβ ) / Acosα cosβ |
| Answer» 74. If sinα = A Sin(α +β ) . A is not equal to 0. Then tanβ = (1) sinα (1+Acosβ ) / Acosα cosβ (2)sinα (1-Acosβ ) / Acosα cosβ (3)cosα (1-Asinβ ) / Acosα cosβ (4)cosα (1+Asinβ ) / Acosα cosβ | |