SOLUTION: Please help me to find the value of csc(a+b-c) Given a=sec^-1(-7/5), b=sin^-1(-11/12), c=tan^-1(7/15). Thank you.

Algebra ->  Trigonometry-basics -> SOLUTION: Please help me to find the value of csc(a+b-c) Given a=sec^-1(-7/5), b=sin^-1(-11/12), c=tan^-1(7/15). Thank you.       Log On


   

Question 1107590: Please help me to find the value of csc(a+b-c)
Given a=sec^-1(-7/5), b=sin^-1(-11/12), c=tan^-1(7/15).
Thank you.
Answer by AnlytcPhil(1810) About Me  (Show Source):
You can put this solution on YOUR website!
Use a calculator

a=sec^-1(-7/5) = 2.36639928 

b=sin^-1(-11/12) = -1.159658464

c=tan^-1(7/15) = 0.4366271598

csc(a+b-c) = 1.43633414

Edwin