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Convert 500cm To Meters

A centimeter is a unit of length in the International System of Units (SI), the current form of the metric system. It is defined as 1/500 meters.... View Article

Write The Formula For Cos 3a

We need to find an expression for cos3A cos 3A can be written as cos3A=cos(2A+A)-----(i) We know the trignometric identity... View Article

Evaluate 40 Of 50

We have to find 40% of 50 A percentage is a number or ratio that can be expressed as a fraction of 100. To calculate the percentage of a... View Article

What Is Sin Theta In Terms Of Sin Theta

sin (-Θ) = sin Θ -Θ comes in fourth quadrant. For sine, it is negative in the fourth quadrant Hence sin (-Θ) = sin Θ... View Article

Find The Value Of Cos 225

We have to find the value of cos 225 cos 225 can be expressed as cos 225= cos (180 +45) We know the identity... View Article

What Is 3 4 Divided By 2

We have to divide 3/4 by 2 3/4 by 2 is expressed as 3/4 / 2/1 So here we are dividing fraction by a fraction The division of fractions by... View Article

What Is The Exact Value Of Cot 60

We have to find the value of cot 60 cot 60 Let us express it in the form of tan x cot x = 1/ tanx cot 60 = 1/ tan 60 cot 60 = 1/√3 Answer... View Article

Simplify Cosx Sinx

We have to simplify cos x / sin x cos x / sin x We have learnt that cos x / sin x = cot x Answer cosx/sinx = cot x... View Article

What Is The Derivative Of Cot 1 X

To find the derivative of cot−1 x Let us assume that y = cot−1x Hence, cot y =x__________(1) On differentiating both the side, we get... View Article

Prove That 1 Sina 1 Sina Seca Tana 2

We have to prove :1-sinA/1+sinA=(secA-tanA)² Let us start from the LHS 1-sinA/1+sinA On rationalising the denominator we get 1-sinA... View Article

Write Down The Equivalent Fractions Of 3 8

Equivalent fractions are the fractions that have different numerator and denominator but are equal to the same value. For example, 2/4 and 3/6... View Article

Solve X Y 7 And 2x 3y 20

We have to solve for x and y in the given equation Given x+y=7 ---(i) 2x+3y=20 ----(ii) From equation (i) we get x= 7 -y ------(iii)... View Article

What Is Sec 180 Degrees

We have to find the value of sec 180º. sec 180º We have learnt that sec x can be expressed as sec x = 1/cos x sec 180º=... View Article

Find The Square Root Of 484

Square root of a number is the value that returns the original number on multiplied by itself. Finding square root by prime factorisation is an... View Article

When Cosx 1 What Does X Equal

x can be any integer multiple of 2π, including 0. The function cos (x) has period 2πand cos (0)=1. cos(2nπ)=1 for any integer n... View Article

Solve 2x 3 X 2

Solve 2x-3=x+2 2x-3=x+2 2x - x= 2-3 x = -1... View Article

How Do You Write 25 7 As A Mixed Fraction

We have to convert 25/7 as mixed fraction Mixed fraction is a form of a fraction which is defined as the ones having a fraction and a whole... View Article

How Do You Simplify X 3 3

(x-3)3 can be solved using the identity (a – b)3 = a3 – b3 – 3ab(a – b) (x-3)3= x3 - y3 - 3x.3 (x-3) (x-3)3= x3 - y3... View Article

If Sin A 1 3 And A B 90 Degree Then Find Cos B

We have to find the value of cos B Sin A=1/3A+B =90 A=90-BSin A=sin(90-B)1/3=cos B [SinA =1/3]Therefore cos B =1/3 Answer cos B=1/3... View Article

What Is Sin X Pi 2

We have to find sin (x + π/2) using the sum identity of sin we know that sin(A + B) = sinA cosB + cosA sinB sin (x + π/2) = sin x cos... View Article

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