The length of member DC in the figure below is 60 mm. Determine the angle d...

 

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The length of member DC in the figure below is 60 mm. Determine the angle d O A O B. OE where. [(20 mm) sin 115°1 AB AB= √202 + 602 sin SO D. in 65% [(20 mm) sin 65% AB where, AB √20² + 60²-2(20)(60) cos 65⁰ mm = sin ¹[(201 sin-1 = sin where, AB √20² +60² AB sin 115° 60 mm where, AB= √20² +60 + 2(20)(60) cos 115⁰ mm 2(20) (60) cos 115 mm sin-1 [(60 mm) sin 65°1 AB AB sin 65° 60 mm 2(20)(60) cos 65 mm where, AB √20² + 60² +2(20)(60) cos 65 mm 20 mm 65 The length of member DC in the figure below is 60 mm. Determine the angle d O A O B. OE where. [(20 mm) sin 115°1 AB AB= √202 + 602 sin SO D. in 65% [(20 mm) sin 65% AB where, AB √20² + 60²-2(20)(60) cos 65⁰ mm = sin ¹[(201 sin-1 = sin where, AB √20² +60² AB sin 115° 60 mm where, AB= √20² +60 + 2(20)(60) cos 115⁰ mm 2(20) (60) cos 115 mm sin-1 [(60 mm) sin 65°1 AB AB sin 65° 60 mm 2(20)(60) cos 65 mm where, AB √20² + 60² +2(20)(60) cos 65 mm 20 mm 65

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