2/5×60 pls help I rlly need this love thx

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter

Prove the following(cot0+cosec0)[tex](cot0 + cosec0) { }^{2} = \frac{1 + cos0}{1 - cos0} [/tex]