Thread: Please help me with this GCSE trigo question

Given that x is measured in radians and x>20, find the smallest value of x such that


Is this an inequality question?
Can someone please guide me how should I start with

Thanks!!

Originally Posted by NyRychVantel

Given that x is measured in radians and x>20, find the smallest value of x such that


Is this an inequality question?
Can someone please guide me how should I start with

Thanks!!

General solution:



or where n is an integer.

You want the smallest solution for x that is larger than 20.


Of course, if you have access to the appropriate technology you could always use a graph to get the answer .......

Originally Posted by mr fantastic

General solution:



or where n is an integer.

You want the smallest solution for x that is larger than 20.


Of course, if you have access to the appropriate technology you could always use a graph to get the answer .......

Please correct me if I'm wrong.

Originally Posted by NyRychVantel

Please correct me if I'm wrong.

Correct (assuming accuracy to 1 decimal place is required)