2. a. Show in general that coshx-sinhx=e. Hence if cosh3y - sinh3y = 20 , find the value of y. [4marks] b. Show that cos

[answerhappygod]

2 A Show In General That Coshx Sinhx E Hence If Cosh3y Sinh3y 20 Find The Value Of Y 4marks B Show That Cos 1 (8.37 KiB) Viewed 26 times

2 A Show In General That Coshx Sinhx E Hence If Cosh3y Sinh3y 20 Find The Value Of Y 4marks B Show That Cos 2 (8.37 KiB) Viewed 26 times

2 A Show In General That Coshx Sinhx E Hence If Cosh3y Sinh3y 20 Find The Value Of Y 4marks B Show That Cos 3 (8.37 KiB) Viewed 26 times

2 A Show In General That Coshx Sinhx E Hence If Cosh3y Sinh3y 20 Find The Value Of Y 4marks B Show That Cos 4 (4.27 KiB) Viewed 26 times

2. a. Show in general that coshx-sinhx=e. Hence if cosh3y - sinh3y = 20 , find the value of y. [4marks] b. Show that cosec-)=sin(x). (3marks) sec%)=sin(x).
b. Show that cosec '1)=sin'(x).