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October 12, 2020 7:21 am 30 pts
or,cos b. cos C Sin b. cot a Sin C. cot A rO Q.2. To establish supplemental cosine formula for spherical triangle Or, To find the value of cosine of the side ofa spherical triangie. In terms of cosines and sines of the angle. Soln 1 et 4RC be the spherical triangle whose corresponding polar triangle
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