Q2 of 34 Page 187

Choose the correct option and justify your choice:


=


=


Out of the given alternatives, only tan 60° =


Hence, (C) is correct

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2

Choose the correct option and justify your choice:

 2

Choose the correct option and justify your choice:

Sin 2A = 2 sin A is true when A =

 3

If and find A and B

 4

State whether the following are true or false. Justify your answer

(i) Sin (A + B) = sin A + sin B


(ii) The value of sin θ increases as θ increases


(iii) The value of cos θ increases as θ increases.


(iv) Sin θ = cos θ for all values of θ.


(v) Cot A is not defined for A = 0°