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EXERCISE 2.1 Trigonometric, Exponential and Logarithmic Functions
A. Evaluate the following trigonometric functions:
1. ๐๐๐ (7๐
6) and ๐๐๐ (โ7๐
6)
2. ๐ก๐๐(โ๐
4) and ๐ก๐๐(7๐
4)
3. ๐ ๐๐(25๐
6)
4. ๐๐๐ (2๐)
B. Sketch the graph of the exponential functions
5. โ(๐ก)= 2 โ 4๐๐ก4
โ
6. โ(๐ก)= 1 โ 4๐1โ๐ก 4
โ
C. Give the exact value of the following logarithms:
7. ๐๐๐23 = 1
8. ๐๐๐2โ32
7
D. Evaluate the following expressions:
9. ๐๐๐ฅ3๐ฆ4๐ง5
10. ๐๐๐(4๐ฅ3+ ๐ฆ)
