sin 30° = 1/2 (Why & How?) || Trigonometry

You all know that the value of sin 30° is 1/2. But in this video you will come to know the reason behind it.
Link (Full Trigonometry) : • Trigonometry || Full c...
#sin30°=1/2(How?)
#sin30°=1/2

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Sir, can we congruent ∆ABD≈∆ACD by sss? Because we know that, an altitude works as a median in equilateral triangle, therefore AD divides BC in two equal parts so BD=CD ......(i) Now in ∆ABD and ∆ACD - AB=AC(sides of an equilateral triangle) - BD=CD( proved in eqn i) - AD=AD(common) Therefore by sss congruence criteria ∆ABD≈∆ACD Proved. Is it right or wrong?🤔🤔

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When a right angle is formed in two congruent triangles, and the conditions apply as well, then RHS is preferred over the others. Like in this one, if you see closely you'll see it's actually congruent by ASA and SAS also.

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SIR I HAVE A DOUBT PLEASE TELL ME HOW HYPOTENUSE OF 30 DEGREE ANGLE IS a/2

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hypotenuse in only one side and it is always opposite to 90` and it is a because of eq. triangle

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mujhe lag raha tha ki trigonometry is only used in right angled triangles

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Thank you too I wish 4 ur success sin 30° = 1/2 (Why & How?): kzbin.info/www/bejne/gmLSaKpql95kg9U Triangles || Full Chapter in 1 video : kzbin.info/www/bejne/g2XUgoeJpM-phck Trigonometry || Full chapter in one video : kzbin.info/www/bejne/j16ze3aCpdGEY5Y Quadratic Equations || Full chapter in one video: kzbin.info/www/bejne/jqKwZGicrqmbj9U Electricity Numericals || Class 10 NCERT : kzbin.info/www/bejne/gp_dd42wjruWhKM

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sin30°はなんで、2分の1やねん❓‼️教えて〜！お願い！❤

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AD=a/2 why

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So nice of you I wish 4 ur success sin 30° = 1/2 (Why & How?): kzbin.info/www/bejne/gmLSaKpql95kg9U Triangles || Full Chapter in 1 video : kzbin.info/www/bejne/g2XUgoeJpM-phck Trigonometry || Full chapter in one video : kzbin.info/www/bejne/j16ze3aCpdGEY5Y Quadratic Equations || Full chapter in one video: kzbin.info/www/bejne/jqKwZGicrqmbj9U

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Sir Sec 300 ka kese nikale

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Sec(360-60)=2

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b/h means?

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b= base

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B=Base, H=Hypoteneuse, B/H means Cos Edit: Thus, B/H means cosθ

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1/2= what

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