You are told that in a billiards shot, the cue ball was shot at the eight ball, which was 8 inches away. As a result, the eight
2 answers:
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Answer:
1.A matrix is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns.
2.
Solution given:
We have
Sin²-Cos ²
=1
Sin²=1+Cos²
Sin=
3.
4Tan²+4Cot²
-3Tan²
-3Cot²
4Tan²-3Tan²
+4Cot²
-3Cot²
Tan²-Cot²