`cosec 48^(@) + cosec 96^(@) + cosec 192^(@) + cosec 384^(@)=`

Prove the following: cosec48^@+cosec96^@+cosec192^@+cosec384^@=0

Find the value of sin 48^(@) sec 42^(@)+cos48^(@) "cosec"42^(@).

If A and B are complementary angles, prove that : cosec^(2) A + cosec^(2) B = cosec^(2) A cosec^(2) B

Show that: sin 42^(@)sec 48^(@)+cos 42^(@)cosec 48^(@)=2

The value of of cosec 10^(@) + cosec 50^(@) -cosec 70^(@) is "_______"

In the triangle ABC, If "cosec"^(2) A + " cosec "^(2)B + " cosec "^(2) C=4 , show that the triangle is equilateral.

If a_(1), a_(2), a_(3)…..a_(n) are in A.P. with common difference d then sin d [cosec a_(1) cosec a_(2) + cosec a_(2) cosec a_(3) + cosec a_(3) cosec a_(4)+ …"n terms"] =

Which of the following is highest? (a) " cosec " 1" "(b) " cosec " 2 ( c ) " cosec " 4" "(d) " cosec " (-6)