Q4 of 34 Page 193

Choose the correct option. Justify your choice.


=


=


= tan2A


Therefore, option (D) is correct

More from this chapter

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4

Choose the correct option. Justify your choice.

 4

Choose the correct option. Justify your choice.

(Sec A + tan A) (1 – sin A) =

 5

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


(i)


(ii)


(iii)


(iv)


(v) using the identity


(vi)


(vii)


(viii)


(ix) [Hint: Simplify LHS and RHS separately]


(x)

4

Draw the graph of 2x – 3y = 4. From the graph, find whether x = -1, y = -2 is a solution or not. (Final)