SOLUTION: Using double angle formula find the exact value, given secθ=4,3pi/2<θ<2pi
sin2θ=
cos2θ=
tan2θ=
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Question 754199: Using double angle formula find the exact value, given secθ=4,3pi/2<θ<2pi
sin2θ=
cos2θ=
tan2θ=
Answer by tommyt3rd(5050) (Show Source): You can put this solution on YOUR website!
,
i.e. we are in quadrant IV
means...
We forgo using tangent identities since we don't need them
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