show that (sin theta + cos^2 theta)^2 -(sin theta - cos theta)^2
Answers
Step-by-step explanation:
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
=Right Side
Answer:
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Step-by-step explanation:
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