DAE MATH-123

Applied Mathematics-I

Chapter 4 : General Identities

DAE Common Technologies | First Year

Multiple Choice Questions

Chapter:04 (General Identities)

Question 1:

Sin (α + β) is equal to:

\({Sin α Cos β + Cos α Sin β}\) \({Cos α Cos β - Sin α Sin β}\) \({Sin α Cos β - Cos α Sin β}\) \({Cos α Cos β + Sin α Sin β}\)

Question 2:

Cos (α - β) is equal to:

\({Cos α Cos β - Sin α Sin β}\) \({Cos α Cos β + Sin α Sin β}\) \({Cos α Sin β - Sin α Cos β}\) \({Sin α Cos β + Cos α Sin β}\)

Question 3:

\({tan({45^0}-x)}\) is equal to:

\({\frac{Cos x + Sin x}{Cos x - Sin x}}\) \({\frac{1 + tan x}{1 - tan x}}\) \({\frac{1 + cot x}{1 - cot x}}\) \({\frac{Cos x - Sin x}{Cos x + Sin x}}\)

Question 4:

cos(\({\frac{π}{2}}+θ\)) is equal to:

Cos θ -Cos θ Sin θ -Sin θ

Question 5:

Sin(\({90^0}-θ\)) is equal to:

-Sin θ Sin θ -Cos θ Cos θ

Question 6:

Sin(\(π-x\)) is equal to:

-Sin x; Sin x Cos x -Cos x

Question 7:

tan(\({\frac{π}{2}}+θ\)) is equal to:

Tan θ Cot θ -Cot θ -Tan θ

Question 8:

Cos(\(π+x\)) is equal to:

Cos θ -Sin θ -Cos θ Sin θ

Question 9:

Cos(\({\frac{π}{2}}+θ\)) is equal to:

Cos θ Sin θ -Cos θ -Sin θ

Question 10:

tan(\({\frac{3π}{2}}+θ\)) is equal to:

Tan θ -Tan θ Cot θ -Cot θ

NOTE
If you find any mistake in them, do tell in the comment, so that it can be corrected.

If you face any issues feel free to contact me on WhatsApp
03129671316, 03085507292

If you want more improvement
Share feedback in the comment

INSTRUCTOR
MUHAMMAD BIN JAMEEL
BSC ENGG. CIVIL

PBTE | DAE | MATH-123 APPLIED MATHEMATICS-I | MCQs | Chapter : 04 General Identities