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3 years ago

Given: a||b, m∠3=63° Find: m∠6, m∠7

Mathematics

2 answers:

jonny [76]3 years ago

6 0

We need an image of this

FromTheMoon [43]3 years ago

5 0

Answer:

Where's the figure,my friend?

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Prove that (sec theta-cos theta) ( cot theta+tan theta) = tan theta ×sec theta

meriva

Given:

$(\sec \theta \cos \theta)(\cot \theta+\tan \theta)=\tan \theta \sec \theta$

To prove:

The given statement.

Proof:

We have,

$(\sec \theta -\cos \theta)(\cot \theta+\tan \theta)=\tan \theta \sec \theta$

Taking LHS, we get

$LHS=(\sec \theta -\cos \theta)(\cot \theta+\tan \theta)$

$LHS=(\dfrac{1}{\cos \theta }-\cos \theta)(\dfrac{\cos \theta}{\sin \theta}+\dfrac{\sin \theta}{\cos \theta})$

$LHS=(\dfrac{1-\cos^2 \theta }{\cos \theta })(\dfrac{\cos^2 \theta+\sin^2 \theta}{\sin \theta\cos \theta})$

$LHS=(\dfrac{\sin^2 \theta }{\cos \theta })(\dfrac{1}{\sin \theta\cos \theta})$ $[\because \cos^2 \theta+\sin^2 \theta=1]$

$LHS=(\dfrac{\sin \theta }{\cos \theta })(\dfrac{1}{\cos \theta})$

$LHS=\tan \theta \sec \theta$

$LHS=RHS$

Hence proved.

3 0

3 years ago

(8x) 2/3 radical form

Tju [1.3M]

16 3 x the took a quiz

3 0

3 years ago

If y= (2x^2+x)^3 +(x-1) /(1-x). find dy dx

Mrrafil [7]

Answer:

Step-by-step explanation:

y=(2x²+x)³+(x-1)/(1-x)

=(2x²+x)³+(x-1)/-(x-1)

=(2x²+x)³-1

dy/dx=3(2x²+x)(4x+1)-0

=3x(2x+1)(4x+1)

7 0

3 years ago

The Table Shows Ryan's Total Skiing Distance At Different Time Intervals During His Cross-Country Ski Outing. What Was The Avera

creativ13 [48]

57-15/ 8-2
the answer would be 7

8 0

3 years ago

Matt can walk 500 m from his home on King Street, and then 900m along Queen Street to go to his school. He can also walk across

brilliants [131]

Answer:

He walks 1030 meters if he walks across the park.

Step-by-step explanation:

In order to solve this question we will need to know that $c^{2} = a^{2} + b^{2}$ (were c is the length of the hypotenuse (the diagonal line) of a right angle triangle, and a and b are the legs (the sides that form a right angle). So them means that.....