Cot^2x - cot^2x cos^2x
= cot^2x - {(cot^2x)(cos^2x)}
= cot^2x { 1 - cos^2x }
= cot^2x { sin^2x }
= (cos^2x/sin^2x) { sin^2x }
= cos^2x
Answer:
C. 2 × 7 × 11
Step-by-step explanation:
2 × 7= 14
14 × 11= 154
Step-by-step explanation:
- 1⅔ < -¼
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Answer:
1.FILTER WATER 2.FILTER CLOTH
3.LIQUIDS
4.INSOLUBLE
5.DIFFERENCE
Answer:
two chop chop
Step-by-step explanation:
because it's more cheaper and money saving
