====== Question 10(vi-x), Review Exercise ======
Solutions of Question 10(vi-x) 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(vi)=====


** Solution. **



=====Question 10(vii)=====


** Solution. **





=====Question 10(viii)=====


** Solution. **



=====Question 10(ix)=====


** Solution. **




=====Question 10(x)=====


** Solution. **





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