**Trigonometric Ratios Complementary Angles CBSE NCERT Solutions Chapter 8 Exercise 8.4 Question 5**

**5.** Prove the following identities, where the angles involved are acute angles for which the expressions are defined.

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**Trigonometric Ratios Complementary Angles CBSE NCERT Solutions Chapter 8 Exercise 8.4 Question 5**

**5.** Prove the following identities, where the angles involved are acute angles for which the expressions are defined.

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**Trigonometric Ratios Complementary Angles CBSE NCERT Solutions Chapter 8 Exercise 8.4 Question 4**

**4.** Choose the correct option. Justify your choice.

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**Trigonometric Ratios Complementary Angles CBSE NCERT Solutions Chapter 8 Exercise 8.4 Question 3**

**3.** Evaluate

**(i)**

**(ii)**

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**Trigonometric Ratios Complementary Angles CBSE NCERT Solutions Chapter 8 Exercise 8.4 Question 2**

**2.** Write all the other trigonometric ratios of in terms of sec A.

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**Trigonometric Ratios Complementary Angles CBSE NCERT Solutions Chapter 8 Exercise 8.4 Question 1**

**1.** **Express the trigonometric ratios sin A, sec A and tan A in terms of cot A.**

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