S she18 New member Joined Nov 9, 2005 Messages 12 Nov 17, 2005 #1 it says to show that arctan4/3 - arcsin (8/17)= arctan 84/13 i know i need to use an identity for tan , but i can't remeber how it is set up
it says to show that arctan4/3 - arcsin (8/17)= arctan 84/13 i know i need to use an identity for tan , but i can't remeber how it is set up
stapel Super Moderator Staff member Joined Feb 4, 2004 Messages 16,550 Nov 17, 2005 #2 What tangent identity does the exercise tell you to use? Note: The equation doesn't appear to be true. Eliz.
What tangent identity does the exercise tell you to use? Note: The equation doesn't appear to be true. Eliz.
