PLEASE ANSWER #7 I GIVE BRAINLIEST

Mathematics

2 answers:

blagie [28]3 years ago

7 0

Answer:

If im correct, to find the area of smaller new triangle, multiply the Original triangle's area by $\frac{1}{16}$

Step-by-step explanation:

Mama L [17]3 years ago

4 0

Answer:

$\frac{1}{16}$

Step-by-step explanation:

Given the dimensions are multiplied by $\frac{1}{4}$

Then the area of the triangle is multiplied by ( $\frac{1}{4}$ )² = $\frac{1}{16}$

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TRIGONOMETRY , can you solve this plz:(<br>even if you know one of them,plz help:)

daser333 [38]

Answer:

See below

Step-by-step explanation:

$\frac{1}{1-cos A} - \frac{1}{1+cos A} =2 cosec A cot A \\ \\ L. H. S.= \frac{1}{1-cos A} - \frac{1}{1+cos A} \\ \\ = \frac{1+cos A - (1 - cos A)}{(1-cos A)(1+cos A)}\\ \\ = \frac{1+cos A - 1 + cos A}{1-cos^{2} A}\\ \\ = \frac{2cos A }{sin^{2} A}\\ \\ =2 .\frac{1}{sin A}.\frac{cos A }{sin A}.\\ \\ = 2.cosec \: A.cot \: A \\ \\ = R.H.S$