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rosyarellano101127
25.06.2021 •
Mathematics
11 and 40. (Both u and v are in COS V=-- 41 61 Find the exact value of sin (u+v) given that sinu = Quadrant II.)
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Ответ:
11 and 40. The formula i got would be 11u + 40v would equal 51
I hope this helps you!
Step-by-step explanation:
Ответ:
diagram of truss with some angles missing
What are the measures of the angles located at positions a, b, & c? Note: the figure is symmetrical on the vertical through angle b.
The large triangle is an isosceles triangle. The two angles on the base are equal.Angle a = 35°
We now know two angles in the largest triangle. The third angle, angle b must add to these to make 180°.
35° + 35° + b = 180°
b = 180° - 70°
b = 110°
We now know two angles in a quadrilateral. The two unknown angles, including angle c are equal. All four angles add up to 360°.
2c + 110° + 120° = 360°
2c = 360° - 230°
2c = 130°
c = 65°
Step-by-step explanation: