Which expression is equivalent to sec acos (20) for all values of a for which sec...

Question

Question

Which expression is equivalent to sec acos (20) for all values of a for which sec acOS (2a) is defined? Select the correct an

Answer 1

Answer #1

Answer: seca Cosaa we know losza=2005²2-1 so, Expression becomes Secax (2005²2-1) Losa (21052-1) - = 2losta cosa Cosa cosa =

Answer 2

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