Question

Q) Cos 5° cosec 85° + sin 85° sec 5°.​

Answer 1

$\huge\colorbox{pink}{Answer ✔}$

->cos 5⁰ cosec 85⁰ + sin 85⁰ sec 5⁰

->cosec(90-85⁰) cosec 85⁰+ sin 85⁰ sin (90-85)

->cosec 85⁰ cosec 85⁰ + sin 85⁰ siñ 85 cosec² 85+ sin² 85

=1

Hope it helps ☺️☘️