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Question

In Δ ABC, right angled at B, expressions for sec C and cosec C is



A

AC/BC , AC/AB

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B

AC/BC , AC/BC

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C

AC/AB , AC/AB

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D

AC/AB , AC/BC

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Solution

The correct option is C

AC/BC , AC/AB


Recall the trigonometric ratios

sec C = hypotenuseadjacentside and cosec C = hypotenuseoppositeside 

sec C = ACBC and cosec C = ACAB


Mathematics

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