trigonometric functions

trigonometry is used for

• measuring a square

• measuring the diagnol of quadriletral

• measuring sides of a triangle(right angled)

• measuring the  diameter and radiusof circle

in Angles,the point of rotation is called as

• point

• dot

• angle

• vertex

estimate the angle

• 360 - 20 degree

• 30 degree

• -420 degree

• 420 degree

unit for measurement of angle ?

• radian

• length

• height

• mole

 $\pi$  radian =

• 1 degree

• 360 degree

•  - 360 degree

• 180 degree

cos 2 $\pi$  =

• 1

• -1

• 0

• 1 degree

Tags

CCSS.HSF.TF.A.2

sin 3 $\pi$  /2

• 1

• -1

• 0

•  $\sqrt{ }$  3

Tags

CCSS.HSF.TF.A.2

cot THETA is

• tan

• cos/sin

• 1/cosec

• 1/tan * cos/sin

sin(-x) =

• sin-x

• cos x

• -sin x

• cos -x

1+tan^2x

• cos^x

• 2^2x

• cot 2x

• sec^2 x