04-06-2019
Mathematics

contestada

I really dont understand please help
Simplify: cotθ/cosθsecθ

Respuesta :

philboak philboak

04-06-2019

Let theta = A... Since I got no theta in my phone's keyboard

CotA /cosAsecA

Buh we all know cotA=1/tanA.....which can also be rewritten as cosA/sinA.... (thus the reciprocative Form of sinA/cosA)

SecA=1/cosA

Therefore

1/tanA ÷cosAx1/cosA

1/tanA ÷cosA/cosA

CosA/cosA=1

1/tan A÷1

Hence =cosA/sinA

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