Asked by Kristien
Prove identity
Cot⭕sin⭕sec⭕= 1
How would i do this one please help me.
Thankyou
Cot⭕sin⭕sec⭕= 1
How would i do this one please help me.
Thankyou
Answers
Answered by
Steve
cot = cos/sin
sec = 1/cos
multiply, and you have
cos/sin * sin * 1/cos = 1
sec = 1/cos
multiply, and you have
cos/sin * sin * 1/cos = 1
Answered by
Anonymous
Yes but how does it equal to one?
Answered by
Kristien
Tht was me i forgot to write my name
Answered by
Steve
coem on. This is trig. You shoudl know algebra I
a/b * b * 1/a = 1
Just multiply the fractions and cancel factors!
a/b * b * 1/a = 1
Just multiply the fractions and cancel factors!
Answered by
Kristien
So sinB and sthe sonB under cosB cancels out and then u have cosB * 1/cosB so u multiply them and get cosB/cosB and so that is 1
Did i do it right??? Please say yes:( i worked on this one for 30 min sir:( i feel like im stupid now😢
Did i do it right??? Please say yes:( i worked on this one for 30 min sir:( i feel like im stupid now😢
Answered by
Steve
yes yes yes.
30 minutes work deserves more than just one yes!
Keep doing these, and soon you'll be able to knock them off in seconds.
You want to get so familiar with this stuff that when you encounter a problem, you don't have to wonder <i>how</i> to solve it; you just solve it, using techniques that are automatic.
30 minutes work deserves more than just one yes!
Keep doing these, and soon you'll be able to knock them off in seconds.
You want to get so familiar with this stuff that when you encounter a problem, you don't have to wonder <i>how</i> to solve it; you just solve it, using techniques that are automatic.
Answered by
Kristien
Tht will take awhile wont it? Do u think i can master it by monday:( i also have cast rule, ambiguous case, sine and cosine law, primary trig ratios to study tho:( do u think its possible:(?
Answered by
Steve
don't know, but you have your work cut out for you. All you can do is your best.
In the future, if you can find the time, don't just do the 6 assigned homework problems. Do the whole set, and if you're still having problems, go get the Schaum Outline for Trigonometry and there are hundreds of problems there, many worked out for you.
In the future, if you can find the time, don't just do the 6 assigned homework problems. Do the whole set, and if you're still having problems, go get the Schaum Outline for Trigonometry and there are hundreds of problems there, many worked out for you.
Answered by
Kristien
Oh ok:) thanks alot but does that mean i cant ask u for help:'( don't do this to me sir!
I will follow ur advice and do my best and try many of those problems but can i still ask u if i cant solve some??:(
I will follow ur advice and do my best and try many of those problems but can i still ask u if i cant solve some??:(
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