4. State whether the following are true or false. Justify your answer.
The value of increases as increases.
The value of increases as increases.
for all values of .
is not defined for
3. If and find
5. Prove the following identities, where the angles involved are acute angles for which the expressions are defined.
2. Choose the correct option and justify your choice :
5. Prove the following identities, where the angles involved are acute angles for which the expressions are defined.
[Hint : Simplify LHS and RHS separately]
2. Choose the correct option and justify your choice :
is true when =
5. Prove the following identities, where the angles involved are acute angles for which the expressions are defined.
2. Choose the correct option and justify your choice :
2. Choose the correct option and justify your choice :
5. Prove the following identities, where the angles involved are acute angles for which the expressions are defined.
5. Prove the following identities, where the angles involved are acute angles for which the expressions are defined.
5. Prove the following identities, where the angles involved are acute angles for which the expressions are defined.
, using the identity
5. Prove the following identities, where the angles involved are acute angles for which the expressions are defined.
[Hint : Write the expression in terms of and ]
5. Prove the following identities, where the angles involved are acute angles for which the expressions are defined.
1. Evaluate the following :
5. Prove the following identities, where the angles involved are acute angles for which the expressions are defined.
1. Evaluate the following :
1. Evaluate the following :
1. Evaluate the following :
4. Choose the correct option. Justify your choice.