Trigonometric Ratios of Complementary Angle

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1. Let us evaluate:
                                 

2. Let us show that:
            

2.
     

3. If two angles α and β are complementary angles, let us show that
             

4. If sin 17o = x/y, let us show that ;

5. let us show that; 

6. ∠A + B =90o, let us show that ;

7. let us show that ;

8. If P + Q = 90o, let us show that ;
 

9. let us prove that ;

10. AOB is a diameter of a circle with center O and C is any point on the circle, joining A.C, B,C and O,C let us show that;
        

10.

11. ABCD is a rectangular figure, joining A, C let us prove that.
       

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