1. | Which of these is the identity of Sin 2x? |
A. |
B. |
C. |
D. |
E. |
2. | Is Sec2x = 1 an identity? ( 1 - Sinx )( 1 + Sinx) |
A. |
B. |
C. |
D. |
3. | True or false, Tanx + TanySecx = Tan ( x + y ) ? Cosx + TanySinx |
A. |
B. |
C. |
D. |
4. | Is Sin^2 x + Sin^2 ( x + y ) + 2SinxCosxSin ( x + y ) = Sin^2 y ? |
A. |
B. |
C. |
D. |
5. | What is ( Sinx + Cosy )^2 ? |
A. |
B. |
C. |
D. |
E. |
6. | What is Cos2x + Sec2x ? |
A. |
B. |
C. |
D. |
E. |
7. | What is Sinx + Cosx + 1 ? TanxCotx |
A. |
B. |
C. |
D. |
E. |
8. | Is 2Sec^2 xCos^2 x = 2 an identity? |
A. |
B. |
C. |
D. |
9. | Which of the following is not an identity with Cos2x? |
A. |
B. |
C. |
D. |
10. | Is Sinx + Cosx = 1 an identity? |
A. |
B. |
C. |
D. |