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Find the SIN (60 degrees) Without a CALCULATOR (TabletClass Math) View |
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Evaluate trig functions without using a calculator using cofunction identities (Brian McLogan) View |
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Calculating the values of sin 60, cos 45, tan 30 without the use of a calculator (Timoy White) View |
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How To Use Reference Angles to Evaluate Trigonometric Functions (The Organic Chemistry Tutor) View |
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Trick for doing trigonometry mentally! (tecmath) View |
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Learn to find the missing angles for a triangle using inverse trig functions (Brian McLogan) View |
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How To Find The Exact Values of Trig Functions (The Organic Chemistry Tutor) View |
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Memorise (sin/cos/tan) 30, 45, 60 without using a calculator (eXcelMathS!) View |
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Exact Trig Values - Hand Trick | Trigonometry | Maths | FuseSchool (FuseSchool - Global Education) View |
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How to find sin(30) and cos(30) WITHOUT A CALCULATOR | Unit Circle | Special Triangles Trigonometry (TucsonMathDoc) View |