Home
Class 10
MATHS
Evaluate the following and justify your ...

Evaluate the following and justify your answer.
(i) ` (sin ^(2) 15^(@) +sin ^(2) 75^(@) )/( cos ^(2) 36^(@) +cos ^(2) 54^(@)) `

Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRY

    NCERT KANNAD|Exercise THINK AND DISCUSS|11 Videos

  • TRIGONOMETRY

    NCERT KANNAD|Exercise Exercise -11.1|8 Videos

  • TRIGONOMETRY

    NCERT KANNAD|Exercise Do THIS|7 Videos

  • TANGENTS AND SECANTS TO A CIRCLE

    NCERT KANNAD|Exercise Try this|3 Videos

Similar Questions

Explore conceptually related problems

Evaluate the following and justify your answer. sin 5^(@) cos 85^(@) +cos 5^(@) sin 85^(@)

( sin ^ 2 63 ^@ + sin ^ 2 27 ^@ ) /( cos ^ 2 17 ^@ + cos ^ 2 73 ^@ ) = ?

Evaluate the following (sec^(2) 60^(@) -tan ^(2) 60^(@) )/( sin ^(2) 30^(@) +cos ^(2) 30^(@) )

The value of cos ^(2)45^(@) - sin^(2)15^(@) is

The value of sin^(2)15^(@)+sin^(2)25^(@)+sin^(2)65^(@)+sin^(2)75^(@) is

State whether the following are true or false. Justify your answer. (i) sin (A+B) = sinA + sin B

Find the value of (4sin^(2)60^(@)-cos^(2)45^(@))/(tan^(2)30^(@)+sin^(2)0^(@))

Evaluate the following: (ii) 2 tan^(2) 45^(@) + cos^(2) 30^(@)-sin^(2)60^(@)

Evalute |(cos 15^(@) sin 15^(@)),(sin 75^(@) cos 75^(@))|

The value of cos^(2)45^(@)-sin^(2)15^(@) is