Page 169 - Bangladesh_classwiz_BOOK2018_rev_Neat

j/</D ‡P‡c sine AbycvZ cÖ‡ek Kiv‡Z nq| wecixZ sine AbycvZ cÖ‡ek Kiv‡bvi Rb¨
qj Pvc‡Z n‡e| Qj Pvc‡j D PjK cÖ‡ek n‡e|
k/>/E k †P‡c cosine AbycvZ cÖ‡ek Kiv‡bv nq| wecixZ cosine AbycvZ cÖ‡ek
Kiv‡bvi Rb¨ qk Pvc‡Z n‡e| Qk Pvc‡j E PjK UvBc n‡e|

l/?/F l †P‡c tangent AbycvZ cÖ‡ek Kiv‡bv nq| wecixZ tangent AbycvZ cÖ‡ek
Kiv‡bvi Rb¨ ql Pvc‡Z n‡e| Ql Pvc‡j F PjK UvBc nq|
‡Kv‡bv Pj‡Ki gvb msiÿY Kivi Rb¨ J evUb e¨envi Kiv nq| †g‡gvwiKx¸‡jv‡Z
J/RECALL ‡Kv‡bv GKwU we‡kl Ae¯’vq wK wK gvb msiwÿZ Av‡Q Zv GKev‡i †`Lvi Rb¨
qJ Pvc‡Z n‡e|
‡Kv‡bv msL¨v‡K BwÄwbqvwis †bv‡Uk‡b †`Lvi Rb¨ b evUb Pvc‡Z n‡e| complex
b/ mode G ‡Kv‡bv BbcyU †`Iqvi Rb¨ b Pvc‡Z nq| Avevi complex mode ‡P‡c

KvíwbK msL¨vi GKK cÖ‡ek Kiv‡bv hvq|
evg e¨v‡KU cÖ‡ek Kiv‡bvi Rb¨ b Pvc‡Z n‡e| ‡Kv‡bv ivwki ciggvb (Absolute
(/
value) ‡ei Kivi Rb¨ q(Pvc‡Z n‡e|

Kgv cÖ‡ek Kiv‡bvi Rb¨ q) Pvc‡Z nq| hw`I Casio ClassWiz G Pj‡Ki
)/,
Rb¨ Avjv`v evUb Av‡Q| wKš Q) Pvc‡jI PjK UvBc nq|
‘
fMœvsk‡K `kwgK Gs `kwgK‡K fMœvs‡k iƒcvšÍi Kiv hvq| wgkÖ fMœvsk‡K cÖK…Z fMœvs‡k
a/A Ges cÖK…Z fMœvsk‡K wgkÖ fMœvs‡k iƒcvšÍi Kivi Rb¨ qa Pvc‡Z nq| Qa
Pvc‡j PjK UvBc nq|

m/V M †g‡gvwiKx‡Z msiwÿZ ‡Kv‡bv gv‡bi mv‡_ wKQz †hvM Ki‡Z PvB‡j m Pvc‡Z nq
Ges wKQz we‡qvM Ki‡Z n‡j qm Pvc‡Z nq|
7 q7 Pvc‡j aªæeK gvb¸wji GKwU ZvwjKv Av‡m|

8 q8 Pvc‡j GKK iƒcvšÍ‡ii Rb¨ GKwU ZvwjKv Avm‡e|

o K¨vjKz‡jU‡i me WvUv gy‡Q †d‡j Avevi Reset Kivi Rb¨ qo Pvc‡Z nq|
‡Kv‡bv wWwRU gy‡Q †djvi Rb¨ o evUb Pvc‡Z nq|

C †h‡Kv‡bv w¯Œb †_‡K †nvg w¯Œ‡b Avmvi Rb¨ C Pvc‡Z nq| K¨vjKz‡jUi Ad Kivi
Rb¨ qC Pvc‡Z nq|
O ¸Y Kivi Rb¨ O evUb Pvc‡Z nq| web¨vm ev cvigy‡Ukb Kivi Rb¨ qOPvc‡Z nq|

P fvM Kivi Rb¨ P Pvc‡Z nq| mgv‡ek ev Kw¤^‡bkb Kivi Rb¨ qP Pvc‡Z nq|

†hvM Kivi Rb¨ + evUb Pvc‡Z nq| Kv‡Z©mxq ¯’vbvsK n‡Z ‡cvjvi ¯’vbvs‡K
+
iƒcvšÍ‡ii Rb¨ q+ Pvc‡Z nq|
we‡qvM Kivi Rb¨ p evUb Pvc‡Z nq| †cvjvi ¯’vbvsK n‡Z Kv‡Z©mxq ¯’vbv‡¼ iƒcvšÍi
p
Kivi Rb¨ qp Pvc‡Z nq|
./Ran# Random msL¨v †Rbv‡iU Kivi Rb¨ q. Pvc‡Z nq|

K/ `‡ki NvZ wjLvi Rb¨ K Pvc‡Z nq| e cÖ‡ek Kiv‡bvi Rb¨ qq Pvc‡Z
nq|

me©‡kl DËi †`Lvi Rb¨ ev Gi mv‡_ ‡Kv‡bv Acv‡ikb Kivi Rb¨ M Pvc‡Z nq|
M/v
kZKiv wPý cÖ‡ek Kiv‡bvi Rb¨ qvPvc‡Z nq|

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