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Chapter 8
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Proving trigonometric identities , practice
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Quiz
Class X
Quick check : Proving identities
6 questions
Question 1 of 6
Score:
0
/ 0
sin
4
θ
−
cos
4
θ
\sin^4\theta - \cos^4\theta
sin
4
θ
−
cos
4
θ
:
A
1
1
1
B
sin
2
θ
−
cos
2
θ
\sin^2\theta - \cos^2\theta
sin
2
θ
−
cos
2
θ
C
sin
2
θ
+
cos
2
θ
\sin^2\theta + \cos^2\theta
sin
2
θ
+
cos
2
θ
D
0
0
0
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