Math, asked by DeepSohi, 1 year ago

solve the problem no. 22,23,24.....

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khanujarashmit: Plzz have a look on solution of qs 22... M not able to attach image plzz is it underatood to u

DeepSohi: thnxx.. bt sry i cant understand last step can u plz rewrite it

DeepSohi: can u please help me in improving my maths please

khanujarashmit: Sure...deardear actually m nt getting how to attach an image in solution box..

Answers

Answered by khanujarashmit

(22) sin (x + y) = sin(x) cos(y) + cos(x) sin(y), Sin(x-y)= sinx cosy- cosx siny Apply these two formulas Sinx cosy+cosx Siny = .............,........................... Sinx cosy- cosx siny Divide numerator and denominator by cosx cos y Sinx cosy. Cosx siny ................... +. ................. Cosx cosy. Cosx cosy = ..................................................... Sinx cosy. Cosx siny ................... - ................. Cosx cosy. Cosx cosy tanx+tany = ..................... tanx-tany

DeepSohi: sorry i cant understand last step.. can u plz rewrite it

khanujarashmit: Sure dear.. Even m nt getting how to attach am image in solution box...give mW ur email I'd I vl mail u solution

DeepSohi: [email protected]

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