Math, asked by Renuyadav204211, 7 months ago

14. If x = 2 cos x cosh B, y = 2 sin a sinh ß, show that
4x
(a) sec (a + iß) + secca - iB) =
x2 + y2
4iy
(b) sec (a +iß) - sec (a - iB) =
x² + 2

Answers

Answered by hussainanamul236

1

Answer:

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