Home
Class 10
MATHS
Evaluate the following sin 45 ^(@) +...

Evaluate the following
` sin 45 ^(@) +cos 45^(@) `

Text Solution

Verified by Experts

The correct Answer is:
` sqrt2 `
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • TRIGONOMETRY

    NCERT KANNAD|Exercise Exercise -11.3|11 Videos

  • TRIGONOMETRY

    NCERT KANNAD|Exercise Exercise -11.4|12 Videos

  • TRIGONOMETRY

    NCERT KANNAD|Exercise Exercise -11.1|8 Videos

  • TANGENTS AND SECANTS TO A CIRCLE

    NCERT KANNAD|Exercise Try this|3 Videos

Similar Questions

Explore conceptually related problems

Evaluate the following (sin 30^(@) +tan 45^(@) -cosec 60^(@) )/( sec 30^(@)+cos 60^(@) + cot 45^(@))

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

Knowledge Check

  • The value of sin45^(@)+cos45^(@) is :

    A
    `(1)/(sqrt(2))`
    B
    `sqrt(2)`
    C
    `(sqrt(3))/(2)`
    D
    1

    • Similar Questions

    Explore conceptually related problems

    Evaluate the following (cos 45^(@))/( sec 30^(@) +cosec 60^(@))

    Evaluate the following (sin theta +cos theta )^(2) +(sin theta -cos theta )^(2)

    Evaluate the following integrals. int (sin x + cos x)/(sqrt(1+ sin 2x))dx

    Evaluate the following: a) sin^(-1)(sin(pi/4)) b) cos^(-1)(cos(2pi/3)) c) tan^(-1)(tan(pi/3))

    Evaluate the following: (v) (5cos^(2)60^(@)+4 sec^(2) 30^(@)-tan^(2)45^(@))/(sin^(2)30^(@)+cos^(2)30^(@))

    Evaluate the following determinants: (b) |(cos theta, -sin theta),(sin theta, cos theta)| = cos theta (cos theta) - sin theta(-sin theta) = cos^(2) theta + sin^(2) theta = 1

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

    Home
    Profile