Verifying Trigonometric Identities/Equations (4 Examples) 

This is very helpful !! Thank u

ive never come across such a nice video

Very summarised. Thanks so much sir❤

Good

yo make more trig videos

at the fist example the cosx+cosxsinx-cosx+cosxsinx/1+sinx-sinx-sin^2 why is the cosx and sin x canceled is it because cos/sin=0 or because cos and cos is the same and is is crossed out also as to sin and sin? ty