" (vi) "cot(-870^(@))quad " I "11." S."1994J

Find the value of (i) cos 480^(@) " " (ii) sin 1230^(@) " "(iii) cot (-135^(@)) (iv) "cosec "(-1410^(@))" "(v) cos (-870^(@)) " "(vi) tan 330^(@)

What is the value of cot (-870^(@)) ?

If (1-cot 1^(@))*(1-cot2^(@))*(1-cot3^(@))...(1-cot44^(@))=2^(n) , then (n)/(11) is equal to

If (1-cot 1^(@))*(1-cot2^(@))*(1-cot3^(@))...(1-cot44^(@))=2^(n) , then (n)/(11) is equal to

The value of sec(1305^(@))+cot(990^(@))+cos(-780^(@))-cos ec(-765^(@))-sin(-870 is equal to

sin(-870^(@))+cos ec(-660^(@))+tan(-855^(@))+2cot(840^(@))+cos(480^(@))+sec(900^(@)) is equal to

For what value of m are the point with position vectors, 10 hat(i) + 3hat(j), 12 hat(i) - 5hat(j) and m hat(i) + 11 hat(j) collinear?