4 cot^(2) 45^(@) - sec^(2) 60^(@) + sin^...

`4 cot^(2) 45^(@) - sec^(2) 60^(@) + sin^(3) 30^(@)` बराबर है -

A

`(1)/(4)`

B

`(5)/(8)`

C

`(3)/(8)`

D

`(1)/(8)`

Verified by Experts

The correct Answer is:

D

4 cot^(2) 45^(@) - sec^(2) 60^(@) + sin^(3) 30^(@) बराबर है -
Text Solution
|
(2)/(3)(cos^(4)30^(@)-sin^(4)45^(@))-3(sin^(2)60^(@)-sec^(2)45^(@))+(1...
Text Solution
|
निम्नलिखित के मान निकालिए: (i) sin 60^(@) cos 30^(@) + sin 30^(@)cos...
Text Solution
|
सिद्ध कीजिए कि 2(sin ^(2)45^(@) +cot^(2)30^(@))-3(cosec ^(2)60^(@)-sec...
Text Solution
|
सिद्ध कीजिए कि 2(sin^(2)45^(@)+cot^(2)30^(@))-3(cosec ^(2)60^(@)-s...
Text Solution
|
सत्यापित करो : 2( cos^(4) 60^(@)+sin^(4) 30^(@))-(tan^(2) 60^(@)+ cot...
Text Solution
|
("cosec"^(2) 45^(@) sec^(2) 30^(@) ) (sin^(2) 30^(@) + 4 cot^(2) 45^(@...
Text Solution
|
Calculate : sec^(2)45^(@)-cot^(2)45^(@)-sin^(2)30^(@)-sin^(2)60^(@).
Text Solution
|
The value of (sec^(2)45^@-cot^(2)45^@)-(sin^(2)30^@+sin^(2) 60^(@)) is
Text Solution
|