bantuiiin dong pliss, mohon bantuannya yaa:')

jawab

sisi siku siku sama kaki = a maka  α = 45°

nilai  sec α +cosec α =
= 1/sin α + 1/cos α

= 1/ (1/2 √2) + 1/ (1/2 (√2))
=  2/ (1/2 √2)
=  4/√2
= 4/2 √2
= 2√2