You are Here: Home >< Maths

Trigonometry questions?? watch

1. Sin graph 0 to 360.
a) Find the solutions of sin x=0.3 ?? (in degrees)
b) Find the solution of sinx+1=0
Are these correct?
a) 16 degrees, 164 degrees
b) 270 degrees
2. (Original post by Sizzo1128)
Sin graph 0 to 360.
a) Find the solutions of sin x=0.3 ?? (in degrees)
b) Find the solution of sinx+1=0
Are these correct?
a) 16 degrees, 164 degrees
b) 270 degrees
b) is correct.

a), whist close, is incorrect. Inverse sine of 0.3 is 17.45..., together with 180 minus that.
3. (Original post by ghostwalker)
b) is correct.

a), whist close, is incorrect. Inverse sine of 0.3 is 17.45..., together with 180 minus that.
Thank you! I've forgot whether I put 17 and 163 in my test lol I hope I did haha

Related university courses

TSR Support Team

We have a brilliant team of more than 60 Support Team members looking after discussions on The Student Room, helping to make it a fun, safe and useful place to hang out.

This forum is supported by:
Updated: November 13, 2017
Today on TSR

Thought he was 19... really he's 14

University open days

Wed, 25 Jul '18
2. University of Buckingham
Wed, 25 Jul '18
3. Bournemouth University
Wed, 1 Aug '18
Poll
Useful resources

Maths Forum posting guidelines

Not sure where to post? Read the updated guidelines here

How to use LaTex

Writing equations the easy way

Study habits of A* students

Top tips from students who have already aced their exams

Chat with other maths applicants