sogellagsiana sogellagsiana

03-06-2021
Mathematics

contestada

Simplify the expression using trigonometric identities (csc θ – csc θ · cos^2 θ).

options:

A)

sin^2 θ

B)

sin θ · tan θ

C)

sin^3 θ

D)

sin θ

Respuesta :

joshua20053 joshua20053

03-06-2021

B because it equals out to 0 if u use the format

Answer Link

03-06-2021

Answer:

Solution given:

cscθ -cscθcos²θ

taking common

cscθ(1-cos²θ)

we have

1-cos²θ=sin²θ and cscθ=1/sinθ

now

1/sinθ*sin²θ

=sinθ

so

D)

sin θ is a required answer.

Answer Link

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