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If SinX-CosX=1, where 'X' is an acute angle, the value of SinX+CosX is
A
0
B
1
C
1\/2
D
2
Correct Answer:
1
In a scissors cross-over, the crossings provided are
i) 2 obtuse angle crossings
ii) 4 obtuse angle crossings
iii) 4 acute angle crossings
iv) 6 acute angle crossings
The correct answer is
A
(i) and (iii)
B
(i) and (iv)
C
(ii) and (iii)
D
(ii) and (iv)
A series is given with one term missing. Select the correct alternative from the given ones that will complete the series. Acute angle, right angle, obtuse angle, ?
A
Exterior angle
B
Reflex angle
C
Straight angle
D
Supplementary angle
limx→01+sinxcosx=?
A
1
B
2
C
-2
limx→x2 1-sinxcosx=?
A
1
B
-1
C
2
tan-1 (cosx-sinxcosx+sinx) এর অন্তরক সহগ হল-
A
1
B
-1
C
12
D
2
1-sinxcosx এর লিমিট কি যখন x→π2 ?
A
1/2
B
2
C
1
limx→π21-sinxcosx এর মান কত?
A
π2
B
12
C
π
limx→01+sinxcosx সীমাটির মান নির্ণয় কর-
A
2
B
3
C
1
D
5
limx→01+sinxcosx এর মান কত?
A
1
B
2
C
কোনোটিই নয়
limx→π2-sinxcosx
A
1
B
-1
C
2