Ab K.

asked • 07/24/16

If sin2 a - cos2 a = tan b, then prove that cos2 b - sin2 b = cot2 a.

Given   Sin2a −  cos2a= tan2b,

 To prove

cos2 b − sin2 b = cot2 a.

Sanhita M.

are a and b complementary?
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07/24/16

1 Expert Answer

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Doug C. answered • 12/20/25

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