IF SINA =5/12,FIND THE VALUE OF SECX?
Answers
Answered by
1
Answer:
sinA=5/12
then , cosA= 13/12
1/cosA=secA
thus, secA=12/13
Answered by
1
༺ศསຮཡཛཞ༻
Given, tanA=
12
5
=
AB
BC
∴AC=AB
2
+BC
2
⇒AC
2
=5
2
+(12)
2
⇒AC
2
=25+144
⇒AC
2
=169
⇒AC=13
Now, sinA=
AC
BC
=
13
5
cosA=
AC
AB
=
13
12
∴sinA+cosA
=
13
5
+
13
12
=
13
5+12
=
13
17
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