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snow_lady [41]
3 years ago
13

What value of θ makes cosθ = sin40° a true statement?

Mathematics
1 answer:
nadya68 [22]3 years ago
7 0

Answer:

C) 50°

Step-by-step explanation:

cos \:  \theta = sin \:  40 \degree \\ cos \:  \theta = cos(90 \degree -  \:  40 \degree) \\ cos \:  \theta = cos \: 50 \degree \\  \implies \:  \theta = 50 \degree \\

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