Practice Test | Kullabs.com
0%
• ### If sin 9° ×  sin 27° = cos 63° × cos 81° then, what's it identity value?

sin 63° × cos 81°
tan 63° × cos 81°
cos 63° × cos 81°
sin 63° ×tan 81°

-1
2
3
1

-1
3
1
-2

2
-2
-1
1
• ### What is the numerical value of sin70°.cos20° + sin20°.cos70°?

sin270° + cos270° = 1
cos270° + tan270° = 1
sin270° + cos270° = -1
sin270° + cos270° = -1
• ### What is the identical value of sin 240°?

(frac{sqrt{3}}{2})
-(frac{sqrt{3}}{2})
(frac{1}{sqrt{2}})
-(frac{1}{sqrt{2}})

(sqrt{3})
(sqrt{2})
-(sqrt{2})
-(sqrt{3})

tan A
sec A
sin A
cos A

cos A
cosec A
cot A
sin A

sec A
tan A
cosec A
cot A

cot A
sin A
cosA
sec A

cot A
sin A
cosec A
cos A

tan A
sinA
cos A
cot A

cos A
tan A
sin A
cosec A


sin A
cos A
;i:1;s:13:

;i:1;s:11:
sin A



;i:3;s:5:
;i:2;s:5:

sec A

;i:1;s:13:
tan A

cot A

;i:1;s:5:
;i:2;s:7:

;i:3;s:5:


sin A
;i:3;s:5:
;i:2;s:5:

;i:2;s:5:
;i:3;s:5:

;i:1;s:4:

cosec A
sin A
secA
cos A

;i:1;s:11:

cot A


tan A

;i:1;s:11:


sin A
tan A
cot A
cos A

sin A
sec A
cot A
cosec A

cos A
cot A
sin A
tan A

cos A
sin A
cot A
cosec A

cosc A
sin A
cos A
tan A

cos A
tan A
cosec A
sin A

cosec A
sin A
cos A
secA

cos A
tan A
sin A
sec A

cot A
cosec A
sin A
sec A

sin A
cos A
sec A
tan A

sin A
sec A
cosec A
tan A