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गत:Vv5 cos? 60°+ A sec>30° — tan” 45°gint 30°% cos” BUF.~ Y and XY ला 1 |
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Answer» cos60=1/2sec30=2/√3Tan45=1sin30=1/2 cos30=√3/2Hence5*1/4+4*4/3-1/1/4+3/4=5/4+16/3-1/1=15+64/12-1=79/11 |
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