In the following match each item given under the column C1 to its correct answer given under the column C2 :
In the following match each item given under the column C1 to its correct answer given under the column C2 :
| (a) sin (x + y) sin (x – y) | (i) cos2 x – sin2 y |
| (b) cos (x + y) cos (x – y) | (ii)(1-tanθ)/(1+tanθ) |
| (c) cot(π/4 + θ) | (iii)(1+tanθ)/(1-tanθ) |
| (c) tan(π/4 + θ) | (iv) sin2 x – sin2 y |
4 views