Question

What is sec 0 when tan 0 = square root of 3
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sec 0 = [ ?
Rationalize the denominator if necessary.
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Answer 1

Answer:

square both sides

I.e,tan²0=3

from,tan²0 +sec²0 = 1

so,tan²0=1-sec²0

1 - sec²0=3

sec²0 = 1 - 3

sec²0=-2

square root both sides

sec0 =√-2