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Mathematics 18 Online
OpenStudy (anonymous):

verify the identity: cosθ(tanθ+cotθ)=cscθ

OpenStudy (raden):

try to simplify tanθ+cotθ, first

OpenStudy (anonymous):

to what?

OpenStudy (raden):

tanθ+cotθ = (sinθ/cosθ +cosθ/sinθ) = (sin^2 θ + cos^2 θ)/(sinθcosθ) = 1/(sinθcosθ)

OpenStudy (ddcamp):

This should help: |dw:1369318713156:dw|

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