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If cos (α + β) = 4/5 and sin (α – β) = 5/13 , where they lie between 0 and π/4, find the value of tan2α
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Mar 10, 2021
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anonymous
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Mar 10, 2021
If cos (α + β) = 4/5 and sin (α – β) = 5/13 , where α lie between 0 and π/4, find the value of tan2α.
A)21/16
B)63/52
C)33/32
D)63/16
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Mar 10, 2021
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anonymous
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Mar 12, 2021
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Brainiak
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Correct option is D) 63/16
Detailed solution:
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