Home
Class 10
MATHS
[" 60.निकोणमितीय Known values without us...

[" 60.निकोणमितीय Known values without using a table कीजिए- "],[qquad (sec^(2)54^(@)-cot^(2)36^(@))/(cosec^(2)57^(@)-tan^(2)33^(@))+2sin^(2)38^(@)sec^(2)52^(@)-sin^(2)45^(@)," [CBSE 2005] "]

Promotional Banner

Similar Questions

Explore conceptually related problems

Without using trigonometric tables,evaluate each of the following: (sec^(2)54^(0)-cot^(2)36^(@))/(cos ec^(2)57^(0)-tan^(2)33^(0))+2sin^(2)38^(@)sec^(2)52^(0)-sin^(2)45^(@)

Without using Trigonometric Tables evaluate the following :- (sec^2 54^@-cot^2 36^@)/(cosec^2 57^@-tan^2 33^@) +2sin^2 38^@ sec^2 52^@-sin^2 45^@ .

The value of (sec^(2)45^(@)-cot^(2)45^(@))-(sin^(2)30^(@)+sin^(2)60^(@)) is

Evaluate (sec^2""54^@-cot^2""36^@)/(cosec^2""57^@-tan^2""33^@)+2sin^2""38sec^2""52^@-sin^2""45^@+2/sqrt3tan17^@tan60^@tan73^@

If x=sec57^(@) , then cot^(2)33^(@)+sin^(2)57^(@)+sin^(2)33^(@)+cosec^(2)57^(@)cos^(2)33^(@)+sec^(2)33^(@)sin^(2)57^(@) is equal to:

Calculate : sin^(2)45^(@)-"cosec"^(2)60^(@)+sec^(2)30^(@) .

Without using trigonometric tables, evaluate each of the following: (sec^2 54^0-cot^2 36^0)/(cos e c^2 57^0-tan^2 33^0)+2sin^2 38^0sec^2 52^0-sin^2 45^0

Evaluate each of the following :- (cosec^(2)45^(@)sec^(2)30^(@))(sin^(2)30^(@)+4cot^(2)45^(@)-sec^(2)60^(@))

Evaluate each of the following : (sin^(2)+30^(@)+4cot^(2)45^(@)-sec^(2)60^(@))(cosec^(2)45^(@)sec^(2)30^(@))

The value of (sec^(2)45^@-cot^(2)45^@)-(sin^(2)30^@+sin^(2) 60^(@)) is