If sec θ = 13/5 then find sin θ
Answers
Answered by
1
Answer:
3
Step-by-step explanation:
ANSWER
secθ=
5
13
secθ=
B
H
=
5
13
Using Pythagoras Theorem,
H
2
=P
2
+B
2
13
2
=P
2
+5
2
P
2
=144
P=12
Now,
4sinθ−9cosθ
2sinθ−3cosθ
=
4(
13
12
)−9(
13
5
)
2(
13
12
)−3(
13
5
)
=
13
48−45
13
24−15
= 3
Answered by
2
Answer:
sec theta = hypotenuse/adjacent
sin theta=opp/hyp
hyp=13
adj=5
opp=√13^2-5^2
√169-25=√144=12
sin theta =12/13
Similar questions