1.

If sin a +sinß =0= cos a+cos ß, where 0<ß<a<2π, then which one of the following is correct? a) a = π - ß b) a = π + ß c) a = 2π - ß d) 2a = π + 2ß

Answer»

If sin a +sinß =0= cos a+cos ß, where 0<ß<a<2π, then which one of the following is correct?

a) a = π - ß

b) a = π + ß

c) a = 2π - ß

d) 2a = π + 2ß



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