sin 27° sec 63° का मान ज्ञात कीजिए| – InterviewSolution

1.

sin 27° sec 63° का मान ज्ञात कीजिए|

Answer»

sin 27°.sec 63°

= sin 27°.sec(90° – 27°)

= sin 27°.cosec27°

= sin 27°.1/tan 37°

= 1

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