Home
Class 12
MATHS
In a right triangle, one angle measures ...

In a right triangle, one angle measures `x^(@)`, where `sin x^(@)=(4)/(5)`. What is `cos(90^(@)-x^(@))`?

Text Solution

Verified by Experts

The correct Answer is:
`(4)/(5)` or 0.8
Doubtnut Promotions Banner Mobile Dark
|

Similar Questions

Explore conceptually related problems

In a right triangle, one angle measure x^(@) , where sinx^(@)=(5)/(15) . What is cos(90^(@)-x^(@)) ?

One angle in a right triangle measures y ^(@) such that cos y ^(@) = (24)/(25). What is the measure of sin (90^(@)-y ^(@)) ?

Knowledge Check

  • In a right triangle, on angle measure y^(@) , where cosy=(3)/(5) . What is the sin(90^(@)-y^(@)) ?

    A
    `(3)/(5)`
    B
    `(3)/(4)`
    C
    `(4)/(5)`
    D
    `(4)/(3)`

  • A triangle whose angles measure 35^(@),55^(@) and 90^(@) is

    A
    acute angled
    B
    right angled
    C
    obtuse angled
    D
    none of these

  • Angle x is one of the acute angles in a right triangle. If the measure of angles is 30^(@), what is the value of (sin x)^(2) + (cos x )^(2) ?

    A
    `1/4`
    B
    `1/2`
    C
    1
    D
    2

    • Similar Questions

    Explore conceptually related problems

    In a right-angled triangle if one of the acute angles ,measures 40^(@) , find the measure of the other acute angles.

    Solve for x, where 0 le x le 90^(@) sin^(2) x + cos^(2) 30^(@) = (5)/(4)

    Construct a right triangle ABC in which angle B = 90^(@), BC = 3.6 cm and CA = 5.4 cm,

    One of the acute angles of a right-angled triangle measures 30^(@) . What is the measure of the other acute angle ?

    In a right triangle, one of the acute angles is cos ((pi)/(3)), anc cos ((pi)/(3))= sin x. What is the measure of x ?

    Home
    Profile