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sara1234 Group TitleBest ResponseYou've already chosen the best response.0
Verify each trigonometric equation by substituting identities to match the right hand side of the equation to the left hand side of the equation.
 one year ago

sara1234 Group TitleBest ResponseYou've already chosen the best response.0
2. (sin x)(tan x cos x – cot x cos x) = 1 – 2 cos^(2)x
 one year ago

shaik0124 Group TitleBest ResponseYou've already chosen the best response.1
i know the answer
 one year ago

shaik0124 Group TitleBest ResponseYou've already chosen the best response.1
sin *tanx*cosxsinx *cotx*cosx dw:1353183388405:dw
 one year ago

shaik0124 Group TitleBest ResponseYou've already chosen the best response.1
sin^2xsinx now further solve u will get right hand side
 one year ago

shaik0124 Group TitleBest ResponseYou've already chosen the best response.1
sara did u understand my solution
 one year ago

shaik0124 Group TitleBest ResponseYou've already chosen the best response.1
@sara1234
 one year ago

shaik0124 Group TitleBest ResponseYou've already chosen the best response.1
sorry i done a mistake
 one year ago

shaik0124 Group TitleBest ResponseYou've already chosen the best response.1
here is wright answer tanx = (sinx/cosx) cotx = (cosx/sinx) sinx cosx (tanx  cot x) = sinx cosx (sinx/cosx  cosx/sinx) Cross multiply the equation in the braket and make the in same denomenator. =sin x cos x ((sin^2x  cos^2x)/(cosx sinx)) = sin^2x  cos^2x Replace sin^2 by 1  cos^2x = 1  cos^2x  cos^2x = 1  2cos^2x
 one year ago
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