Looking for a side length - Grade 10 Math
Looking for a side length - Grade 10 Math
Looking for a side length - Grade 10 Math
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Finding Missing Side (Use Chart).notebookFebruary 25, 2013What are Sine, Cosine and Tangent?They are ratios that are used to find a missing <strong>side</strong> or angle in a rightangle triangle.They work because the ratio is the same <strong>for</strong> every right angle trianglewith that angle measurement regardless of size. Example:M40 cm30 015 cm30 0 CFind Sin M & Sin C.Compare ratios.20 cmN PD7.5 cmE1
Finding Missing Side (Use Chart).notebookFebruary 25, 2013How do I calculate the trigonometric value of a ratio?2 Ways: Use your calculator or a reference pageCos 22 0Type it in to calculator and hit enterCheck reference pagehttp://www.themathlab.com/toolbox/geometry%20stuff/trigratios.htm= .9272 ?2
Finding Missing Side (Use Chart).notebookFebruary 25, 20133
Finding Missing Side (Use Chart).notebookFebruary 25, 2013Let's find a <strong>side</strong>1st Label given <strong>side</strong>s2nd Determine trig ratio needed to solve3rd Solve12 cm30 0 CSOH CAH TOADxE4
Finding Missing Side (Use Chart).notebookFebruary 25, 2013Remember to:Label given <strong>side</strong>sDetermine trig ratio needed to solveSolve21 m42 0SOH CAH TOAx5
Finding Missing Side (Use Chart).notebookFebruary 25, 20136
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