1) Simpifly sin^2 (sin^-1 (4/x)) 2) a,b (0,2pi)and sin (a)=sqrt(3)/2, cos(b)=-sqrt(3)/2, tan(a+b)=-1/sqrt(3), then give the exact value of a and b in terms of pi a: ____pi b:_____pi
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Originally Posted by lemontea 2) a,b (0,2pi)and sin (a)=sqrt(3)/2, cos(b)=-sqrt(3)/2, tan(a+b)=-1/sqrt(3), then give the exact value of a and b in terms of pi a: ____pi b:_____pi There are two angles such that Also with cosine and So for this to be true Hint: for the first one
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