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If (tan(alpha+beta-gamma))/("tan"(alpha-...

If `(tan(alpha+beta-gamma))/("tan"(alpha-beta+gamma))=(tangamma)/(tanbeta),(beta!=gamma)` then `sin2alpha+sin2beta+sin2gamma=` (a)`0` (b)` 1` (c) `2 `(d)`1/2`

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CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
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