Question
Download Solution PDFcot A + cosec A किसके बराबर है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंकल्पना:
cos 2A = cos2 A - sin2 A = 2 cos2 A - 1
sin 2A = 2 sin A × cos A
गणना:
चूँकि हम जानते हैं कि,
cos 2A = cos2 A - sin2 A = 2 cos2 A - 1
चूँकि हम जानते हैं कि,
sin 2A = 2 sin A × cos A
∴ cot A + cosec A का मान
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