10ART-110 tsin? Itin tsin? 60in+sin 1067tsin? In190)4. Evalute cos 225 – InterviewSolution

1.	10ART-110 tsin? Itin tsin? 60in+sin 1067tsin? In190)4. Evalute cos 225º - sín 225º+tanuásº-cot 495oogie, 10720
Answer» cos225-sin225+ tan 495- cot495=Cos (180-225)-Sin(180-225)+Tan(360-495)-cot(369-495)=Sin(-45)-cos(-45)+tan(-135)-cot(-135)=1/2-1/2+cot(-45)+tan(-45)=1/2-1/2-1+1=1/2-1/2=2/2=1

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