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write cos A - sin A as - (sin A-cos A)

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oh. haha. im sorry im very bad at this. im more of a visual learner. just a moment let me fix this.

wait, i just realized, were talking about the far left fraction right?

middle.

oka. let me try now

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but how is that possible that its a - cos A ? I dont see it

- (sin A-cos A) = -sin A -(-cos A) = -sin A +cos A = cos A -sin A

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ok , lets forget everything, lets go another way.
can u separate out the denominator ?

like (a+b)/c = a/c + b/ c

absolutely correct!
whats sin A/ sin A =?
and cos A/cos A = ?

there going to equal 1

so u got 2 right ?

what? well if u add them 1 + 1 = that makes 2

yes. now u are left with -cos A/sinA -sinA/cos A
cross multiply again, same as previous problem

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which is ?

which is 1

-(sin^2x + cos^2 x) = -1

oh shoot. thats right... okay
because it was a negative the answer will be negative too.

okay i got the same answer too

what was left in the denominator

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Okay this is what i have so far. I like to put things in steps.

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see this.

makes sense ?

it came from sinx/sin x + cosx / cos x = 1+1 = 2

okay, ya thats what i thought :)

now how can we get rid of that - 1 ?

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what is 1/sin a and 1/ cos a ?

the 1/ sin a = the inverse of cos. that is csc
and 1/ cos a = is the inverse of sine sec

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got it ?

i got it..............man WHAT THE HEY?! why is this so complicating?!

3 tips:
1. practice.
2. more practice.
3. more and more practice.
want 4th ? :P

have patience, you will understand someday. else i will be there to help u.

okay then. Thank you for helping me out. Im going to work on english. Have a good day.

think positive, think u like math.
u also have a good day, i will have good night :)

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