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Qno:3 Solve√3x2 10x-√3=0 Qno:4 If1 4 7 .…. x=287 in an A.P then find the value of "x" Qno:5 If tanA=15/8 find secA and cosecA.?
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Qno:3 Solve√3x2 10x-√3=0 Qno:4 If1 4 7 .…. x=287 in an A.P then find t...
Question no. 5. if tanA =15/8 =P/b
then, p=15,b=8,h=?
so, by Pythagoras theorem
h square = p square + b square
h square=15 square +8 square
h square =225 + 64
h square = 289
h = √289
h = 17
hence, secA=h/b
secA= 17/8
cosecA= h/p
cosecA=17/15
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Qno:3 Solve√3x2 10x-√3=0 Qno:4 If1 4 7 .…. x=287 in an A.P then find the value of "x" Qno:5 If tanA=15/8 find secA and cosecA.?
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