28.Solve the following equation:
tan20-(V3+1)tano +V3 =0
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Number of solutions of 3 tano + V3 tan 20 + tan tan 20 = 1 in (0,21) is -(3)4(4) 6(1) 0(2)2
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Explanation:
- Answer: (0°, 90°) is 0 to 90 degrees excluding 0° and 90°; [0°, 90°] is 0 to 90 degrees ... Solution: The inside angles of a triangle must always add to 180°. ... If you need a refresher, you'll find sine and cosine at equation 1, tangent at ... Answers: sin(π/4) = √2/2 or 1/√2; cos(π/6) = √3/2; tan(π/3) = √3.
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