====== Question 10(i-v), Review Exercise ======
Solutions of Question 10(i-v) of Review Exercise of Unit 09: Trigonometric Functions. This is unit of Model Textbook of Mathematics for Class XI published by National Book Foundation (NBF) as Federal Textbook Board, Islamabad, Pakistan. 

=====Question 10(i)=====


** Solution. **

=====Question 10(ii)=====


** Solution. **

=====Question 10(iii)=====


** Solution. **


=====Question 10(iv)=====


** Solution. **




=====Question 10(v)=====


** Solution. **



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