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If 1/(sec theta-tan theta)-1/(cos theta)...

If `1/(sec theta-tan theta)-1/(cos theta)= Sec theta xx k`, ,`0^@< theta< 90^@` then k is equal to:
यदि `1/(sec theta-tan theta)-1/(cos theta)= Sec theta xx k` है और `0^@< theta< 90^@` है, तो k का मान किसके बराबर है?

A

a)`Cosec theta`

B

b)`tan theta`

C

c)`Sin theta`

D

d)`Cot theta`

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