Y= (8/3)x. X being 0
1 answer:
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Answer: ....
P/s:
- 2 × 3/12 = 3 × 2/12 = 6 × 1/12 (= 1/2)
- 4 × 3/12 = 1
ok done. Thank to me :>
Answer:
x=πn, n∈Z
Step-by-step explanation:
if sin²2x=1-cos²2x, then
1-cos²2x-2cos2x+2=0; ⇒ cos²2x+2cos2x-3=0; ⇔ (cos2x+3)(cos2x-1)=0;