welcome to the forum
assuming this is
hope this helps ..... still need more ?
I am having extreme troubles with this section. My book is no help and my teacher is clueless. Any help with these problems would be greatly helpful. Also if possible please include reasons/rules and show work to help me better understand and learn. Thanks!
Thank you so much but i am having trouble with the last section. It says: use the basic identities to change the expression to one involving only sines and cosines. Then simplify to a basic trigometric function.
2). sinx-tan(x)cos(x)+ cos(pi/2-x)