C Chris New member Apr 20, 2010 #1 Can anyone explain this. My textbook is crap for explaining this and my teacher barely speaks english... maybe someone will be more helpful. Use the sum and difference identities to evaluate exactly. sin(7? / 12) and tan(105)
Can anyone explain this. My textbook is crap for explaining this and my teacher barely speaks english... maybe someone will be more helpful. Use the sum and difference identities to evaluate exactly. sin(7? / 12) and tan(105)
