Transformation Of Trigonometric Formula
Exercise 5.3
1. (a) Express into the sum or difference of Sine or Cosine.
Solution:
1. (b) Express into the sum or difference of Cosine.
Solution:
1. (c) Reduce into the sum or difference of Cosine.
Solution:
2. (a) Express into the product form of Sine and Cosine.
Solution:
2. (b) Express into the product form of sine.
Solution:
3.(a) If and , find the value of .
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3.(b) If and , find the value of .
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4. (a) Find the value of:
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4. (b) Find the value of:
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4. (c) Find the value of:
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4. (d) Find the value of:
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4. (e) Find the value of:
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4. (f) Find the value of:
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5. (a) Express the following product into sum or difference form:
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5. (b) Express the following product into sum or difference form:
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5. (c) Express the following product into sum or difference form:
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5. (d) Express the following product into sum or difference form:
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5. (e) Express the following product into sum or difference form:
Solution:
5. (f) Express the following product into sum or difference form.:
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5. (g) Express the following product into sum or difference form:
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5. (h) Express the following product into sum or difference form:
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6. (a) Express the following sum or difference into product form.
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6. (b) Express the following sum or difference into product form.
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6. (c) Express the following sum or difference into product form.
Solution:
6. (d) Express the following sum or difference into product form.
Solution:
6. (e) Express the following sum or difference into product form.
Solution:
6. (f) Express the following sum or difference into product form.
Solution:
7. (a) Prove that:
Solution:
7. (b)
Solution:
7(c)
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7. (d)
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7. (e)
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7. (f)
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7. (g)
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7. (h)
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8. (a)
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8. (b)
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8. (c) Prove that:
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8. (d) Prove that:
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8. (e) Prove that:
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8. (f) Prove that:
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9. (a) Prove that:
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10. (d) Prove that:
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10. (e) Prove that:
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10. (f) Prove that:
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10. (g) Prove that:
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11. (a) Prove that:
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11. (b) Prove that:
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11. (c) Prove that:
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11. (d) Prove that:
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12. (a) Prove that:
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12. (b) Prove that:
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12. (c) Prove that:
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12. (d) Prove that:
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13. (a) Prove that:
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13. (b) Prove that:
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13. (c) Prove that:
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13. (d) Prove that:
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13. (e) Prove that:
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13. (f) Prove that:
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13. (g) Prove that:
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13. (h) Prove that:
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14. (a) Prove that:
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14. (b) Prove that:
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14. (c) Prove that:
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14. (d) Prove that:
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15. (a) Prove that:
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15. (b) Prove that:
Solution:
Alternative,
Solution:
15. (c) Prove that:
Solution:
15. (d) Prove that:
Solution:
16. (a)
Solution:
Given,
Now,
16. (b)
Solution: