Question 4:
![](http://spmmathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/5/2015/02/Picture28-300x258.png)
Solution:
![](http://spmmathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/5/2015/02/Picture28-300x258.png)
In the diagram above, WZY is a straight line.
and WZ = XZ = 30 cm. Find the length of XY.
Solution:
Question 5:
![](http://spmmathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/5/2015/02/Picture29.png)
In the diagram above, PQS is a right angle triangle. Given that SR = 6cm, PQ = 12 cm and 5SR = 2PS. Find the value of cos α and tan β.
Solution:
![](http://spmmathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/5/2015/02/Picture29.png)
In the diagram above, PQS is a right angle triangle. Given that SR = 6cm, PQ = 12 cm and 5SR = 2PS. Find the value of cos α and tan β.
Solution:
Question 6:
![](http://spmmathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/5/2015/02/Diagram-30.png)
In the diagram above, ADC is a straight line, if . Find the distance of AC.
Solution:
![](http://spmmathematics.blog.onlinetuition.com.my/wp-content/uploads/sites/5/2015/02/Diagram-30.png)
In the diagram above, ADC is a straight line, if . Find the distance of AC.
Solution: