![calculus - Is it possible to express $\sin \frac{\pi}{9}$ in terms of radicals? - Mathematics Stack Exchange calculus - Is it possible to express $\sin \frac{\pi}{9}$ in terms of radicals? - Mathematics Stack Exchange](https://i.stack.imgur.com/r8uHr.gif)
calculus - Is it possible to express $\sin \frac{\pi}{9}$ in terms of radicals? - Mathematics Stack Exchange
![Find the value of the following :- `{:((a)sin((pi)/(6)),(b)cos ((pi)/(4))), ((c)tan((pi)/(3)), - YouTube Find the value of the following :- `{:((a)sin((pi)/(6)),(b)cos ((pi)/(4))), ((c)tan((pi)/(3)), - YouTube](https://i.ytimg.com/vi/vAY8P1rGi_o/maxresdefault.jpg)
Find the value of the following :- `{:((a)sin((pi)/(6)),(b)cos ((pi)/(4))), ((c)tan((pi)/(3)), - YouTube
If θ is an acute angle, then find (i) sin((π/4) - (θ/2)), when sin θ = 1/25 (ii) cos((π/4) + (θ/2)), when sin θ = 8/9 - Sarthaks eConnect | Largest Online Education Community
![sin [pi/4cot theta ] = cos [pi/4tan theta ] , if theta = npi - pi/4, n ∈ I . If true enter 1 else 0. sin [pi/4cot theta ] = cos [pi/4tan theta ] , if theta = npi - pi/4, n ∈ I . If true enter 1 else 0.](https://dwes9vv9u0550.cloudfront.net/images/2778100/6b850342-ebc5-4968-8a5f-66c1e577db77.jpg)