if sin 3 theta equals to cos theta -6 find theta
Answers
Answered by
0
Step-by-step explanation:
Solution
sin
3
θ
=
cos
(
θ
−
26
°
)
sin3θ=cos(θ−26°)
⇒
sin
3
θ
=
sin
[
90
°
−
(
θ
−
26
°
)
]
⇒sin3θ=sin[90°−(θ−26°)]
⇒
3
θ
=
90
°
−
(
θ
−
26
°
)
⇒3θ=90°−(θ−26°)
⇒
4
θ
=
116
°
⇒4θ=116°
⇒
θ
=
29
°
⇒θ=29°
Hence, the answer is
29
°
.
29°.
Answered by
0
Answer:
24
Step-by-step explanation:
Sin3θ=Cos(θ−6
∘
)
Cos(90−3θ)=Cos(θ−6
∘
)
90
0
−3θ=θ−6
96=4θ
θ=24
∘
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