Question

Sino-coso
+
Sino + coso
Sinot coso. 2
Sino-coso 2siho-​

Answer 1

Solution:--

Hope it helps you

have a great day ahead!!!

Answer 2

Step-by-step explanation:

${\bold{\sf{→ \: Proof \: is \: in \: the \: attachment}}}$

${\bold{\sf{→ Hope \: it \: helps}}}$