Saturday
August 23, 2014

Homework Help: pre-cal/trig

Posted by aa on Tuesday, March 4, 2008 at 7:44pm.

PlEASE hlep me with this!! I need it as soon as possible.......
cos(x-(pi/4))+sin(x-(pi/4))=1
Find the answer from 0 to 2pi.
When I slove this, I got
cosx+sinx=(1/ square root of 2).
then I don't know what to do the rest. Please help me.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Trig........ - I need to prove that the following is true. Thanks (cosx / 1-sinx...
Calculus - Find the dervatives: 1. f(x)=(3x+1)e^x^2 2. y = e^(sin x) ln(x) 3. f(...
Pre-calc - prove the identity: (cosx)(tanx + sinx cotx)=sinx+cos(squared)x i ...
Trigonometry. - ( tanx/1-cotx )+ (cotx/1-tanx)= (1+secxcscx) Good one! ...
Trigonometry - Prove the following trigonometric identities. please give a ...
Trig....... - I need to prove that the following is true. Thanks (2tanx /1-tan^x...
Math - 1) evaluate without a calculator: a)sin(3.14/4) b) cos(-3(3.14)/4) c) ...
Pre-Cal(Please help) - Approximate the equation's soultions in the interval (o...
trig - express this in sinx (1/ cscx + cotx )+ (1/cscx- cotx) i got 2sinx is ...
trig - I need to prove equality. a) (sina + cosa)^2 -1 / ctga - sinacosa = 2tg^...

Search
Members