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    Oblique Triangles and Identities

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    A) Verify the following Identities :

    i) [(Sin 2theta)/ (sin theta )- ( cos 2theta/ cos theta )] = sec theta

    ii) cos2x = (cot^2 x-1 )/ (cot^2 x-1 )


    ììì) Use logarithms and the law of tangents to solve the triangle
    ABC, given that a= 21.46 ft, b= 46.28 ft, and C = 32° 28' 30"

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    Solution Summary

    Oblique Triangles and Identities are investigated.