Question

Please help me, I've been trying for days and I can't get it right. If any of your were as to be as kind-hearted as to help me complete this task, I will be ever so grateful. Thank you for your time in helping others, I seriously appreciate it.

Answer 1

10.sinB=b/c

A+B=90

cosA=b/c

cosB=a/c

a^2+b^2=1

tgA=a/b

tgB=b/a

11.d

12.sin30=1/2

cos30=2^(1/2)÷2=radical2÷2

cos45=sin45. ,tg45=1

tg30=1÷(3)^(1/2)=(3)^(1/2)÷3

13.B

please say praier for me to God to pass my exam good and get good rank.thanks.