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15 questions
2sin245° =......
1
21
21
None of the above
Is tanA the reciprocal of cotA
NO
YES
The value of cos90° is 1
TRUE
FALSE
cot (90°−A)=
sec A
sin A
tan A
cos A
If ΔABC is right angled at C, then find the value of cos (A+B)
0
1
21
23
In a right angled triangle the side opposite to right angle is called
Base
Perpendicular
Hypotenuse
None of the above
sin229°+sin261°=
1
0
2sin229°
2cos261°
sinθ=34 for some angle of θ . State true or false
TRUE
FALSE
sec260°−1=
2
3
4
0
Write the maximum value of sinθ
1
-1
0
2
State true or false: Two angles are said to be complementary if their sum is 90°
TRUE
FALSE
State true or false cosθ=hypotenusebase
TRUE
FALSE
Value of cos45° is
0
21
21
23
sin (90°−A)=
sec A
cot A
cosec A
cos A
sin (90°−θ)=
cosθ
tanθ
secθ
cot θ
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