Prove the following identities..."not an identity" is an option.
Please explain in detail and in steps how to perform the following:
3. tanx= square rt of sec²x-1
4. sinx/1-cotx + cosx/1-tanx=cosx+sinx
5. cotx-1/1-tanx = cscx/secx
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The solution is attached below (next to the paperclip icon) in ...
Trigonometric identities are proven. The solution is detailed and well presented.