If a and B are complementary angles then
sin (90° – a)+sin’ (90° - B)
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Answered by
0
Answer:
=cosa+cosb
because. sin (90° – a)=cosa
sin (90° – B)=cosb
Answered by
3
Answer:
a+b=90° (Given)
=sin(90-a)+sin(90-b)
=cos a+ cos b
=cos(a+b)
=cos 90°
=cos 90°=0°
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