Grade 10Trigonometry
If A and B are acute angle such that SIN A = COS = B then find the value of A+B
1 Answer
Arun
we know that the acute angle will be 45 degree because at 45 degree value of sine and cos will be same (1/2)1/2.
hence A and B both will be 45 degree
so A+B= 90 degree = 
/2 readian
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