shabanakhan37 shabanakhan37

10-06-2020
Mathematics

contestada

prove each identify
cos X(tanX+cotX) =cscX

Respuesta :

sweetesthome45 sweetesthome45

10-06-2020

Answer:

Step-by-step explanation:

cos X(tanX+cotX) =cscX

cos X(sinx/cosx +cosx/sinx) =cscx

cos X (sin²+cos²/cossin)=cscx

cosx(1/cossin)=cscx

cross out cosines

1/sinx=cscx

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