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Cos ⁴ (pi/8) + Cos ⁴ (3 pi/8) + Cos⁴(5 pi/8) + Cos ⁴ (7 pi/8) = 3/2 @EAG
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Cos ⁴ (pi/8) + Cos ⁴ (3 pi/8) + Cos⁴(5 pi/8) + Cos ⁴ (7 pi/8) = 3/2 @EAG
0:04:24
cos^4 (pi/8) + cos^4 (3pi/8) + cos^4 (5pi/8) + cos^4 (7pi/8) , TRIGO MULTIPLE ANGLE | CBSE XI MATHS
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`cos^4(pi/8)+cos^4((3pi)/8)+cos^4((5pi)/8)+cos^4((7pi)/8)=`
0:09:13
Cos ⁴ (pi/8) + Cos ⁴ (3 pi/8) + Cos⁴(5 pi/8) + Cos ⁴ (7 pi/8) = 3/2 @EAG
0:04:54
cos^4 π/8 + cos^4 3π/8 + cos^4 5π/8 +cos^4 7π/8 =3/2 #maths #trigonometry
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〖cos〗^4 π/8+〖cos〗^4 3π/8+〖cos〗^4 5π/8+〖cos〗^4 7π/8=
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\( \cos ^{4} \frac{\pi}{8}+\cos ^{4} \frac{3 \pi}{8}+\cos ^{4} \frac{5 \pi}{8}+\cos ^{4} \frac{7...
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cos^4(pi/8)+cos^4(3 pi/8)+cos^4(5 pi/8)+cos^4(7 pi/8)=3/2 | sin^4(π/8)+sin^4(3π/8)+sin^4(5π/8)+sin...
0:07:59
Find the value of the expression cos ^4π/8+cos ^43 π/8+cos ^45 π/8+cos ^47 π/8.
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Prove that cos 2 pi/ 7 cos 4 pi/7 cos 8 pi/7 = 1/8
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cos^4 (pi/8) + cos^4 (3pi/8) + cos^4 (5pi/8) + cos^4 (7pi/8), TRIGO MULTIPLE ANGLE | CBSE XI MATHS
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Calcule plus simple de Cos(Pi/8).
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Cos^4(pi/8)+Cos^4(3pi/8)+Cos^4(5pi/8)+Cos^4(7pi/8)
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Cos⁴(π/8)+Cos⁴(3π/8)+Cos⁴(5π/8)+Cos⁴(7π/8)=3/2 l 11th Trigonometry Hots l Maths by GOVINDA RAO...
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cos(pi/8)
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Prove that: sin ^4π/8+sin ^43 π/8+sin ^45 π/8+sin ^47 π/8=3/2.
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cos pi over 8
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The value of cos ^3(π/8) ·cos(3 π/8)+sin ^3(π/8) ·sin(3 π/8) is : (1) 1/4 (2) 1/√(2) (3) 1/2 √(2)......
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50Trigonometry Show that Cos⁴ (π/8) + Cos⁴ (3π/8) + Cos⁴ (5π/8) + Cos⁴ (7π/8) = 3/2
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Value of cos^4(π/8 ) + cos^4( 3π/8) + cos^4(5 π / 8) + cos^4( 7π/8 )
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` int _(0)^(pi//8) cos^(3) 4 theta d theta ` is equal to
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Trigonometry: Prove that cos^4(pi/8)+cos^4(3pi/8)+cos^4(5pi/8)+cos^4(7pi/8)=3/2.
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Valeurs exactes de cos(𝛑/8) et sin(𝛑/8)
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Valeur exacte de cos(π/8) ; sin(π/8) ; tan(π/8) et cotan(π/8)
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Find the value of the expression cos ^4π/8+cos ^43 π/8+cos ^45 π/8+cos ^47 π/8 [Hint: Simplify th......
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