Original post by Sizzo1128
f(x)=5x-4sinx-2 where x is in radians.
a. Evaluate to 2 significant figures, f(1.1) and f(1.15)
I don't get this question.
When I substitute it I get different answers.
a. Evaluate to 2 significant figures, f(1.1) and f(1.15)
I don't get this question.
When I substitute it I get different answers.
Why did you expect to get the same answer? Can you please post the whole question?
Original post by Sizzo1128
f(x)=5x-4sinx-2 where x is in radians.
a. Evaluate to 2 significant figures, f(1.1) and f(1.15)
I don't get this question.
When I substitute it I get different answers to the mark scheme
.
a. Evaluate to 2 significant figures, f(1.1) and f(1.15)
I don't get this question.
When I substitute it I get different answers to the mark scheme
I've attached the photo
Original post by Notnek
Why did you expect to get the same answer? Can you please post the whole question?
I've just attached the photo.
Sorry, my question was vague. I meant I had different answers to what it should be which are -0.065 and 0,099
Original post by Sizzo1128
I've attached the photo
What did you get and what does the mark scheme say?
Are you in radians mode on your calculator?
Original post by Notnek
What did you get and what does the mark scheme say?
Are you in radians mode on your calculator?
Are you in radians mode on your calculator?
That's it.
I changed my calculator mode to radians and it's giving me the answer now.
THANK YOU VERY MUCH
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