Question

If x = sec C + tan C
then x + 1/x=?
plz answer correctly and quickly, ill follow the best answer and mark as Brainiest ​

Answer 1

x = sec C + tan C

x + 1/x = x²+1/x

= sec² C + tan² C + 2 secCtanC/sec C + tan C

sec² C + tan² C = 1

= 2(1+sec C tan C)/sec C + tan C

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