Eamcet Mathematics - Trigonometry : Compound Angles Free Online Tests | Mock Tests | Preparation | Practice Tests | My Mock Exam

Study Room

Goto

Eamcet Mathematics
Trigonometry : Compound Angles

Take Exam

01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47

Previous

26 / 47

Next

Q.

If sinA+sin2A=x and cosA+cos2A=y, then (x²+y²)(x²+y²-3)=

A. 2y

B. y

C. 3y

D. all the above

E. None of the above

View Answer

Correct choice: A

Explanation:

Previous

26 / 47

Next