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#🏆పోటీ పరీక్షల స్పెషల్
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![🏆పోటీ పరీక్షల స్పెషల్ - 71) ) / 06 If sin( CONU (i) ^ = then verify that A'A = I Bin ( COBA sina C080 (ii) A = then verify that AA = 1 8in ( CO8( INCERT Ex. 3.3, Q 6, Page 67] Sol (i) sin @ COS( A 3 - 8in ( COSA 4 sin ( COSQ A'= { sin 0 COS( - [ Sin0 COS0 sinu So, COs0 AA sin 0 -sin0 COSA COS(, cos? & + sin? & cosusin 0 - sinucosu ~ sinacosa cosasina sin ? & + COs2 & १ =1 Hence, A'A = [ sina COS0 (ii) Given that. A = sina -c0$0 sina COS0 ಲ A'= sina COSA sina sina COS0 Sor ~ 0$0. A'A 3 sina COS0 COSA sin 0 sin' 0 + cos' 0 sindcosa . cosusin 0 cosd sind sinacosa cos' Q + sin' ঝ F [0 0] = 1 MATH Solutions By PHANI [ence, A'A = [ 71) ) / 06 If sin( CONU (i) ^ = then verify that A'A = I Bin ( COBA sina C080 (ii) A = then verify that AA = 1 8in ( CO8( INCERT Ex. 3.3, Q 6, Page 67] Sol (i) sin @ COS( A 3 - 8in ( COSA 4 sin ( COSQ A'= { sin 0 COS( - [ Sin0 COS0 sinu So, COs0 AA sin 0 -sin0 COSA COS(, cos? & + sin? & cosusin 0 - sinucosu ~ sinacosa cosasina sin ? & + COs2 & १ =1 Hence, A'A = [ sina COS0 (ii) Given that. A = sina -c0$0 sina COS0 ಲ A'= sina COSA sina sina COS0 Sor ~ 0$0. A'A 3 sina COS0 COSA sin 0 sin' 0 + cos' 0 sindcosa . cosusin 0 cosd sind sinacosa cos' Q + sin' ঝ F [0 0] = 1 MATH Solutions By PHANI [ence, A'A = [ - ShareChat](https://cdn4.sharechat.com/bd5223f_s1w/compressed_gm_40_img_400997_9f02737_1778044395353_sc.jpg?tenant=sc&referrer=pwa-sharechat-service&f=353_sc.jpg "🏆పోటీ పరీక్షల స్పెషల్ - 71) ) / 06 If sin( CONU (i) ^ = then verify that A'A = I Bin ( COBA sina C080 (ii) A = then verify that AA = 1 8in ( CO8( INCERT Ex. 3.3, Q 6, Page 67] Sol (i) sin @ COS( A 3 - 8in ( COSA 4 sin ( COSQ A'= { sin 0 COS( - [ Sin0 COS0 sinu So, COs0 AA sin 0 -sin0 COSA COS(, cos? & + sin? & cosusin 0 - sinucosu ~ sinacosa cosasina sin ? & + COs2 & १ =1 Hence, A'A = [ sina COS0 (ii) Given that. A = sina -c0$0 sina COS0 ಲ A'= sina COSA sina sina COS0 Sor ~ 0$0. A'A 3 sina COS0 COSA sin 0 sin' 0 + cos' 0 sindcosa . cosusin 0 cosd sind sinacosa cos' Q + sin' ঝ F [0 0] = 1 MATH Solutions By PHANI [ence, A'A = [ 71) ) / 06 If sin( CONU (i) ^ = then verify that A'A = I Bin ( COBA sina C080 (ii) A = then verify that AA = 1 8in ( CO8( INCERT Ex. 3.3, Q 6, Page 67] Sol (i) sin @ COS( A 3 - 8in ( COSA 4 sin ( COSQ A'= { sin 0 COS( - [ Sin0 COS0 sinu So, COs0 AA sin 0 -sin0 COSA COS(, cos? & + sin? & cosusin 0 - sinucosu ~ sinacosa cosasina sin ? & + COs2 & १ =1 Hence, A'A = [ sina COS0 (ii) Given that. A = sina -c0$0 sina COS0 ಲ A'= sina COSA sina sina COS0 Sor ~ 0$0. A'A 3 sina COS0 COSA sin 0 sin' 0 + cos' 0 sindcosa . cosusin 0 cosd sind sinacosa cos' Q + sin' ঝ F [0 0] = 1 MATH Solutions By PHANI [ence, A'A = [ - ShareChat")