Question: Establish identity. csc a csc B sec(a + B) cot a cot B 1
Establish identity.

csc a csc B sec(a + B) cot a cot B 1
Step by Step Solution
3.44 Rating (154 Votes )
There are 3 Steps involved in it
seca 1 cosa 1 cosa cos sina s... View full answer
Get step-by-step solutions from verified subject matter experts
