[bethlihem]

prove that:
cot⁡ sin⁡ cos⁡ =1- sin⁡ 2

[ebaines]

Please do not double post questions. See: https://www.askmehelpdesk.com/mathem...ve-645509.html

[joinjek]

sinx + tanx
___________ = sinx
1 + secx

[ebaines]

sinx + tanx
___________ = sinx
1 + secx

As usual for these types of identity proofs - first step is to convert the tangent and secant functions to their sine and cosine equivalents. You can then multiply the left hand side by cosx/cosx and it comes right out.