HETAV PATEL

Grade 11,

. If sin θ + sin² θ = 1, then cos² θ + cos4 θ = .. (a) -1 (b) 0 (c) 1 (d) 2

. If sin θ + sin² θ = 1, then cos² θ + cos4 θ = ..
(a) -1
(b) 0
(c) 1
(d) 2

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60787 Points
2 years ago
Answer: c

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