The doamin of sin-1log2x12 is
[2, 12]
[- 1, 1]
13, 24
[6, 24]
If tan-1x + 2 + tan-1x - 2 - tan-112 = 0, then one of the values of x is equal to
- 1
5
12
1
The value of sin-145 + 2tan-113 is equal to
π3
π4
π2
π6
The value of sin-1cos4095° is equal to
- π3
- π4
If 2sin-1x - cos-1x = π2, then x is equal to
- 12
- 32
32
The value of tan-12 + tan-13 is equal to
3π4
tan-16
The value of tan-132 + tan-113 is equal to
tan-153
tan-123
tan-112
tan-1133
The value of cossin-123 is equal to
35
53
D.
cossin-123= coscos-11 - 232= coscos-11 - 49= coscos-153 = 53
If tan-12x + tan-13x = π2, then the value of x is equal to
16
13
If cos-11 - x21 + x2 + cos-11 - y21 + y2 = π2, where xy < 1, then
x - y - xy = 1
x - y + xy = 1
x + y - xy = 1
x + y + xy = 1