(tan45 + sin45 + sin30).(sin90 – cos45 + cos60)
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Answer:
7/4
Step-by-step explanation:
(1+under root 1/2+1/2).(1-under root 1/2+1/2) =(3/2+under root 1/2). (3/2 -under root 1/2)=9/4-1/2= 7/4
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