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OpenStudy (anonymous):
Medal & Fan!!!! Prove: tan^2(θ)•cos^2(θ) + cos^2(θ) = 1. You must show all work
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OpenStudy (midhun.madhu1987):
= cos^2(θ (tan^2(θ) + 1) = cos^2 x sec^θ =1
OpenStudy (anonymous):
could you please describe how u got that?? @midhun.madhu1987
OpenStudy (midhun.madhu1987):
We have an Identity in trigonometry: sec^θ = tan^2(θ) + 1
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