1 of 5
Mathematics AA
SL and HL
Paper 1 · no calculator
SL3.5
SL3.6
Question 1 · 3 marks
Spec and skills
Spec SL3.5
Spec SL3.6
It is given that
cos
θ
=
−
5
13
\cos\theta = -\frac{5}{13}
cos
θ
=
−
13
5
,
where
π
2
<
θ
<
π
\frac{\pi}{2} < \theta < \pi
2
π
<
θ
<
π
.
(a)
Find the exact value of
sin
θ
\sin\theta
sin
θ
.
2 marks
xⁿ
a/b
√
π
(
)