7) If sin theta - cos theta = 0, find [(sin^ 4)theta+ (cos^4)theta ]
a.1
b. 1/2
c. 1/4
d.4
Answers
Answered by
3
Answer:
here is ur answer army...
hope it helps u
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Answered by
8
Answer:
From the above equation, we get
cosθ=sinθ
Hence
θ=45
0
Therefore
sin
4
θ+cos
4
θ
=sin
4
45
0
+cos
4
45
0
=2×(
2
1
)
4
=2×
4
1
=
2
1
Answered By
Aaliyah
please mark as brainlist
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