Question

can some one please answer all of it's answers please it should be in numerical form​

Answer 1

Answer:

Trigonometric functions are undefined when they represent fractions with denominators equal to zero. Secant is the reciprocal of cosine, so the secant of any angle x for which cos x = 0 must be undefined, since it would have a denominator equal to 0.

Answer 2

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$\implies$$\large\bf{\underline{\red{VERIFIED✔}}}$

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1) Option A is Correct.

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