https://www.buymeacoffee.com/zeeshanz... Pearson A level Maths, Pure Year 2 Textbook (6.3) This video covers the concept of proving trigonometric identities using reciprocal trigonometric functions (secant, cosecant and cotangent). I also have a look at solving reciprocal trigonometric equations (secant, cosecant and cotangent). Follow me on Twitter and Instagram: Twitter : / zzamurred Instagram : / zeeshanzamurred