Find the value of (1+cos π/8)(1+cos 3π/8)(1+cos 5π/8)(1+cos 7π/8) #iitjee #maths

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

[IIT 1984] Find the value of [1+cos(PI/8)]*[1+cos(3*PI/8)]*[1+cos(5*PI/8)]*[1+cos(7*PI/8)].

(1+cos π/8)(1+cos 3π/8)(1+cos 5π/8)(1+cos 7π/8)=

XI Trigonometric Functions Prove that 1 + cosπ 81 + cos3π 81 + cos5π 81 + cos7π 8 1 8

Finding the Value of (1 + cos(π/8))(1 + cos(3π/8))(1 + cos(5π/8))(1 + cos(7π/8))"#maths

(1 + Sin pi/8 + i Cos pi/8 / 1 + Sin pi/8 – i Cos pi/8)⁸/³ = – 1 : Dead easy solution @EAG

Find the value of (1+Cos{Pi/8})*(1+Cos{3*Pi/8})*(1+Cos{5*Pi/8})*(1+Cos{7*Pi/8}) | Shoaib Khan |

`(1+cos. ( pi)/(8))(1+ cos. ( 3pi)/(8)) ( 1+ cos. ( 5pi)/(8)) ( 1+ cos. ( 7pi)/(8))=`

Show that one value of [(1+sin⁡〖π/8〗+ⅈ cos⁡〖π/8〗)/(1+sin⁡〖π/8〗-ⅈ cos⁡〖π/8〗 )]^(8/3) ⅈs-1 #iit jee

cos(pi/8)

Proof that √2 is irrational #maths #squareroot #shorts #justmathwithme

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The value oif the expressin `(1+cospi/10)(1+cos(3pi)/10)(1+cos(7pi)/10)(1+cos(9pi)/10)` is

sin 30 degree #calculator

`[(1+cos(pi/8)+isin(pi/8))/(1+cos(pi/8)-sin(pi/8))]^8=?`

The value of (1+ cos (pi)/(8))(1+cos(3pi)/(8))(1+ cos (5pi)/(8)) (1+ cos '(7pi)/(8)) is- | 12 | ...

show that the values of (1+sinπ/8+icosπ/8/1+sinπ/8-icosπ/8)^8/3 || maths 2a regular question

Solve | sin 30 degree | using calculator (Casio fx-991MS)

Prove that: (1+cos pi/8)(1+cos 3pi/8)(1+cos 5pi/8)(1+cos 7pi/8) = 1/8