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Find the value of cosec square 30 degree - sin square 45 degree - sec square 60 degree

Deepannita , 7 Years ago
Grade 10
anser 2 Answers
Neelesh Kumar

Last Activity: 7 Years ago

cosec square 30 degree=4   because ( cosec 30 degree =2)
sin square 45 degree=1/2      decause (sin 45 degree =1/root2 )
sec square 60 degree=4         because ( sec 60 degree =2 )
it is your required answer

Utkarsh Sharma

Last Activity: 6 Years ago

Cosec square 30 - sin square 45 -sec square 60
=(2) square - (1/root2)square -(2) square
= ½
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