evaluate (sin theta+cos theta)²+(cos theta-sin theta)²
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1
Answer:
Explanation:
Left Side
=
sin
2
θ
+
2
sin
θ
cos
θ
+
cos
2
θ
+
sin
2
θ
−
2
sin
θ
cos
θ
+
cos
2
θ
=
(
sin
2
θ
+
cos
2
θ
)
+
(
sin
2
θ
+
cos
2
θ
)
=
1
+
1
=
2
Step-by-step explanation:
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