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Mathematics
9th -
12thgrade
Trig Double-Angle & Sum-Diff Formulas
12 questions
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- 1. Multiple Choicesin2u =(sinu)(cosu)2(sinu)(cosu)(sinu)^22(sinu)^2
- 2. Multiple Choicecos2u =2(sinu)(cosu)(cosu)^2 - (sinu)^22(cosu)^2 - 2(sinu)^2 - (cosu)^2
- 3. Multiple Choicecos2u =2(sinu)(cosu)(cosu)^2 + (sinu)^22(cosu)^2 - 1(sinu)^2 - (cosu)^2
- 4. Multiple Choicecos2u =(sinu)^2 - (cosu)^2(cosu)^2 + (sinu)^22(cosu)^2 + 11-2(sinu)^2
- 5. Multiple Choicetan2u =(tanu)/(1-tanu)(tanu)^2/(1+tanu)2(tanu)/(1 + tanu)2(tanu)/(1 - (tanu)^2)
- 6. Multiple Choice(sinu)(cosv) + (cosu)(sinv) =cos(u - v)cos(u + v)sin(u - v)sin(u + v)
- 7. Multiple Choice(sinu)(cosv) - (cosu)(sinv) =cos(u - v)cos(u + v)sin(u - v)sin(u + v)
- 8. Multiple Choice(cosu)(cosv) - (sinu)(sinv) =cos(u - v)cos(u + v)sin(u - v)sin(u + v)
- 9. Multiple Choice(cosu)(cosv) + (sinu)(sinv) =cos(u - v)cos(u + v)sin(u - v)sin(u + v)
- 10. Multiple Choice(tanu + tanv)/(1-(tanu)(tanv))tan(u - v)(tanu)(tanv)tan(u + v)tanu - tanv
- 11. Multiple Choice(tanu - tanv)/(1-(tanu)(tanv))tan(u - v)tanu - tanvtan(u + v)None of the above
- 12. Multiple Choice(tanu - tanv)/(1+(tanu)(tanv))tan(u - v)tanu - tanvtan(u + v)None of the above
- Answer choicesTagsAnswer choicesTags