CBSE Class 12-science Answered
find the value of
Asked by | 17 Jan, 2010, 12:27: PM
Expert Answer
Dear Student
Tan 45 =1
Sin30=1/2 ==> Sin 180+30= sin210=-1/2
Cos 60 =1/2 ==> cos 180+60 =cos240 =-1/2
so, tan-1(1) + cos-1(-1/2) +sin-1(-1/2)=45+210+240 =4950
RegardTeam
Topperlearning
Answered by | 17 Jan, 2010, 12:40: PM
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