PLZ HELP 20 MIN LEFT ON MY HW IDK HOW TO DO THIS I KEEP GETTING THE WRONG SAME ANSWER
1 answer:
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Answer: (i) 1 (ii) 3/4 , √3/3 (iii) 0 (iv) 1
<u>Step-by-step explanation:</u>
ΔRPQ is 1 30°-60°-90° triangle <em>because RQ = 2PQ</em> , where
- ∠R = 30°
- ∠P = 90°
- ∠Q = 60°
(i) sin² (90°) = 1² = 1
(iii) sin (90°) × cos (90°) = 1 × 0 = 0
(iv) sin² (90°) - cos² (90°) = 1² - 0² = 1
Answer:
After December 25,there are <em>6 days</em> to complete that year.
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