1.

राव ल S SR sinf I A cost जा मान ffa sl

Answer»

Tan is + ve& sin is - vemeans it must be 3 rd quadrant...where cos is -veperpendicular= 5base= 12hencehypotenuse= 13

hence cos (thita )=(-12/13 )sin (thita)=5/13

(x+3)(x-3)सरल.कीजिए.ा



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