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Mathematics, 14.12.2021 22:50 Theyfall4raven
If cos θ=3/5 where θ is an angle in the first quadrant using the double-angle identities which expansion would be used to find sin2θ.
Group of answer choices
sin2θ=2(3/5)(3/5)
sin2θ=(4/5)(3/5)
sin2θ=2(4/5)(3/5 ))
sin2θ=2(4/5)(4/5)
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If cos θ=3/5 where θ is an angle in the first quadrant using the double-angle identities which expan...
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