Math, asked by likhithapandruvada, 8 months ago

evaluate sec 11 by Cosec 79​

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Answered by pooja1091
0

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Answered by Anonymous
1

Answer:

 \sec(11)  \div  \csc(79 )  \\  \sin(79)  \div  \cos(11)  \\  \sin(90 - 11)  \div  \cos(11)   \:  \:  \:  \:  \: (since \:  \sin(90 - a)  =  \cos(a)) \\  \cos(11)  \div  \cos(11) \\ 1

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