nrvpandey2005
contestada

Prove that:

( sec 4A - 1 ) / ( sec 2A - 1 )

=

tan 4A . cot A

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Respuesta :

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Ver imagen davisshenni
sholmes2428p7reu3

Answer:

sec 1A = tan 2A

Step-by-step explanation:

BABAOEY

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