Question:
Given that cos A =-4/5 with angle A in quadrant II and sin B
Last updated: 7/20/2022
Given that cos A =-4/5 with angle A in quadrant II and sin B = -24 /25 with angle B in quadrant III. Find cos(A + B) none of these 3/5 4/5 -4/5 -3/5
Last updated: 7/20/2022
Given that cos A =-4/5 with angle A in quadrant II and sin B = -24 /25 with angle B in quadrant III. Find cos(A + B) none of these 3/5 4/5 -4/5 -3/5