`cos^(2) .(pi)/(8) + cos^(2).(3pi)/(8) + cos^(2)(5pi)/(8) + cos^(2) (7pi)/(8)=2`

preview_player
Показать описание
`cos^(2) .(pi)/(8) + cos^(2).(3pi)/(8) + cos^(2)(5pi)/(8) + cos^(2) (7pi)/(8)=2`
  1. Doubtnut
Рекомендации по теме
`cos^(2) .(pi)/(8) + 0:03:37

`cos^(2) .(pi)/(8) + cos^(2).(3pi)/(8) + cos^(2)(5pi)/(8) + cos^(2) (7pi)/(8)=2`

`cos^2(pi/8) +cos^2((3pi)/8) +cos^2((5pi)/8)+cos^2 0:04:59

`cos^2(pi/8) +cos^2((3pi)/8) +cos^2((5pi)/8)+cos^2 ((7pi)/8)=2`

cos^2(pi/8)+cos^2 3pi/8+cos^2 5pi/8+cos^2 0:03:40

cos^2(pi/8)+cos^2 3pi/8+cos^2 5pi/8+cos^2 7pi/8=2 | cos^2(π/8)+cos^2(3π/8)+cos^2(5π/8)+cos^2(7π/8)...

How to show 0:08:55

How to show that cos(4θ) = 8(cos^2(θ) - cos^2(π/8))(cos^2(θ) - cos^2(3π/8))

Cos^2(pi/8)+Cos^2(3pi/8)+Cos^2(5pi/8)+Cos^2(7pi/8) Cos^2(p/16)+Cos^2(3p/16)+Cos^2(5p/16)+Cos^2(7p/16 0:02:49

Cos^2(pi/8)+Cos^2(3pi/8)+Cos^2(5pi/8)+Cos^2(7pi/8) Cos^2(p/16)+Cos^2(3p/16)+Cos^2(5p/16)+Cos^2(7p/16

Find the Exact 0:02:57

Find the Exact Value of cos^2(pi/8) - 1/2

Find Exact Value 0:06:39

Find Exact Value of Cos^2(pi/8)

cos^4 (pi/8) + 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

If Sin A 0:07:54

If Sin A =3/5, Tan B = 1/2 | Class 11 | Important Trigonometry Question On Angles greater than 90 °

Prove that: `sin^2(pi/8)+sin^2((3pi)/8)+sin^2((5pi)/8)+sin^2((7pi)/8)=2` 0:02:14

Prove that: `sin^2(pi/8)+sin^2((3pi)/8)+sin^2((5pi)/8)+sin^2((7pi)/8)=2`

Cos ⁴ (pi/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

cos pi/8 degrees 0:00:26

cos pi/8 degrees

How To Use 0:00:24

How To Use a Calculator To Calculate The Exact Value of Cos Pi over 3 | tan(pi/3)

Prove that sin^2(pi/8)+sin^2(3pi/8)+sin^2(5pi/8)+sin^2(7pi/8)=2 0:05:27

Prove that sin^2(pi/8)+sin^2(3pi/8)+sin^2(5pi/8)+sin^2(7pi/8)=2

2sin(π/8)sin(2π/8)sin(3π/8)sin(5π/8)sin(6π/8)sin(7π/8) value is 0:07:25

2sin(π/8)sin(2π/8)sin(3π/8)sin(5π/8)sin(6π/8)sin(7π/8) value is ( JEE MAINS Aug 26 (2))

It is Squere 0:00:18

It is Squere Root of Pai | value of pi by alakh pandey |value of pi by newton #short #pai #viral

If L=sin²(π/16)-sin²(π/8) and 0:03:18

If L=sin²(π/16)-sin²(π/8) and M=cos²(π/16)-sin²(π/8) then

Perfect Calculation like 0:00:14

Perfect Calculation like sin 45 + cos 45 = √2

cos^4 π/8 + 0:04:54

cos^4 π/8 + cos^4 3π/8 + cos^4 5π/8 +cos^4 7π/8 =3/2 #maths #trigonometry

prép à la 0:06:42

prép à la prépa MPSI -ex96 - Louis Le Grand -trigonométrie-formule duplication pi sur 8

Visualizing Polar vs 0:00:18

Visualizing Polar vs Cartesian Plot of sin(cos(x))#maths#shorts #polar#mathematics#cartesian

How to Prove 0:03:55

How to Prove (1+cos pi/8)(1+cos(3pi)/8)(1+cos(5pi)/8)(1+cos(7pi)/8)=1/8 Trigonometry CBSE JEE NDA

NCERT +1 maths 0:00:05

NCERT +1 maths chapter 3 trigonometry cos(3π/2 + x)cos(2π+x)[cot(3π/2-x) + cot(2π+x)]= 1

Cos^4(pi/8)+Cos^4(3pi/8)+Cos^4(5pi/8)+Cos^4(7pi/8) 0:04:34

Cos^4(pi/8)+Cos^4(3pi/8)+Cos^4(5pi/8)+Cos^4(7pi/8)

Комментарии
Автор

His answer is correct but not calculations....🙂...angle me pi/2-p/8 ayega and pi/2-3pi/8🙂

deepakkumar.
Автор

Cos (90+ theta ) =sin theta but you write -sin theta you wrong formula bataeii

happypinky
welcome to shbcf.ru