I GIVE BRAINLYS Which statements are true about the figure below? Select all that apply. D A. The figure does not have parallel
sides B. The figure is a parallelogram. C. The figure has only one pair of parallel sides D. The figure is a quadrilateral. 0 E The figure is a rhombus
1 answer:
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Answer:
Step-by-step explanation:
Several trig identities are involved in the proof of this. This is the order in which they are used.
- cos(2x) = cos²(x) -sin²(x)
- cos²(x) +sin²(x) = 1
- cos(x) = 1/sec(x)
Starting with the left side, we can transform it into the right side.