Grade 11Trigonometry
how does 4sinA/2.sinB/2.cos(A+B)/2 = – ½ gives A=B=60 degrees ?
how does 4sinA/2.sinB/2.cos(A+B)/2 = – ½ gives A=B=60 degrees ?
2 Answers
Saurabh Koranglekar
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Vikas TU
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