if (sin1^@+sin3^@+sin5^@+sin7^@)/(cos1^@...

if `(sin1^@+sin3^@+sin5^@+sin7^@)/(cos1^@.cos2^@.cos4^@)+ktan theta^@` when `k in I` and `theta in (90,180)` where `theta` is in degrees then the value of `k+8` is equal to

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