Evaluate the following limit : lim(x→1) (1 - x^2)/(sin πx) - Sarthaks eConnect | Largest Online Education Community
![Find all solutions of the equation in the interval [0, 2 pi). (cos theta - 1 / 2) (sin theta + 2) = 0 | Homework.Study.com Find all solutions of the equation in the interval [0, 2 pi). (cos theta - 1 / 2) (sin theta + 2) = 0 | Homework.Study.com](https://homework.study.com/cimages/multimages/16/sdy4075761020400227527601.png)
Find all solutions of the equation in the interval [0, 2 pi). (cos theta - 1 / 2) (sin theta + 2) = 0 | Homework.Study.com
![trigonometric polynomials - Solutions of equation $\sin \pi x_1\sin \pi x_2=\sin \pi x_3\sin \pi x_4$ - MathOverflow trigonometric polynomials - Solutions of equation $\sin \pi x_1\sin \pi x_2=\sin \pi x_3\sin \pi x_4$ - MathOverflow](https://i.stack.imgur.com/eBuTx.jpg)
trigonometric polynomials - Solutions of equation $\sin \pi x_1\sin \pi x_2=\sin \pi x_3\sin \pi x_4$ - MathOverflow
![A solution (x, y) of the system of equation x-y=1//3 and cos^(2)(pi x)-sin^( 2)(pi y)=1//2 is given by A solution (x, y) of the system of equation x-y=1//3 and cos^(2)(pi x)-sin^( 2)(pi y)=1//2 is given by](https://d10lpgp6xz60nq.cloudfront.net/web-thumb/645007079_web.png)
A solution (x, y) of the system of equation x-y=1//3 and cos^(2)(pi x)-sin^( 2)(pi y)=1//2 is given by
![Basic Trig Identities sin^2 (x) + cos ^2 (x) = 1 sin(-x) = -sin(x), cos(-x) = cos(x), tan(-x) = -tan(x) sin(x + 2Pi) = sin(x), cos(x + 2*Pi) = cos(x), - ppt download Basic Trig Identities sin^2 (x) + cos ^2 (x) = 1 sin(-x) = -sin(x), cos(-x) = cos(x), tan(-x) = -tan(x) sin(x + 2Pi) = sin(x), cos(x + 2*Pi) = cos(x), - ppt download](https://slideplayer.com/6879554/23/images/slide_1.jpg)
Basic Trig Identities sin^2 (x) + cos ^2 (x) = 1 sin(-x) = -sin(x), cos(-x) = cos(x), tan(-x) = -tan(x) sin(x + 2Pi) = sin(x), cos(x + 2*Pi) = cos(x), - ppt download
![If 2 sin^(2) ((pi//2) cos^(2) x)=1-cos (pi sin 2x), x ne (2n + 1) pi//2, n in I, then cos 2x is equal to If 2 sin^(2) ((pi//2) cos^(2) x)=1-cos (pi sin 2x), x ne (2n + 1) pi//2, n in I, then cos 2x is equal to](https://d10lpgp6xz60nq.cloudfront.net/ss/web/2117530.jpg)