# Mathematics: Trigonometry Online Test

If ( + (=(/2 and ( +( =(, then tan ( equals
2(tan ( + tany)
tan( + tany
tan( + 2tany
2tan( + tany
sec2 (=  is true if and only if
x+ y (0
x=y, x(0
x=y
x(0, y(0
/
t1 > t2 > t3 >t4
t4 > t3 > t1 >t2
t3 > t1 > t2 >t4
t2 > t3 > t1 >t4
/
The value of the expression  cosec 20o – sec 20o is equal to
2
2 sin 20o/sin 40o
4
4 sin 20o/sin 40o
The value of x for which sin (cot-1 (1+x))= cos (tan-1 x) is
1/2
1
0
-1/2
If , then the value of x other than 0 lying between is ____.
If then ____.
General solution of the equation is ____.
None of the above
If  then ____.
Description:

Problems on general solution and other kinds are included

Discussion
Kajal Sengupta
Physics 9th to 12 th grade,CIE, Edexcel, AP, IB , CBSE, ICSE 87 Members Recommend
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