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3 years ago

What is the following product?

Mathematics

1 answer:

Musya8 [376]3 years ago

8 0

Answer:

= 7 .

From the working above

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If 1 - cosA= 1/2 show that tan²A + 4sin²A = 6

pav-90 [236]

$\text{Given that,}\\\\1-\cos A = \dfrac 12\implies \cos A = 1-\dfrac 12 = \dfrac 12\\\\\text{L.H.S}\\\\=\tan^2 A + 4 \sin^2 A\\\\=\dfrac{\sin^2 A}{\cos^2 A}+4(1-\cos^2 A)\\\\\\=\dfrac{1-\cos^2 A}{\cos^2 A} +4-4\cos^2 A\\\\\\=\dfrac{1-\left( \dfrac 12 \right)^2 }{\left(\dfrac 12 \right)^2 } +4 -4 \left( \dfrac 12 \right)^2\\\\\\=\dfrac{1- \dfrac 14}{\dfrac 14}+4-4\cdot \dfrac 14\\\\\\=\dfrac{\tfrac 34}{\tfrac 14}+4-1\\\\\\=\dfrac 34 \cdot 4 +3\\\\=3+3\\\\=6\\\\=\text{R.H.S}$

3 0

2 years ago

Find the factors of 582.

Nookie1986 [14]

Answer:

the answer. to the question is b

8 0

3 years ago

Can you kindly help me out please?!

Mila [183]

Answer:

32h^7

Step-by-step explanation:

(4h^4)3=64h^12

64h^12/2h^5=

32h^12/2h^5=32h^7

Hope this helps :)

5 0

3 years ago

What is the value of x? Enter your answer in the box x=

Nikolay [14]

Answer:

x = 8

Step-by-step explanation:

A common Pythagorean Triple is a 3-4-5 triangle. The current triangle is 6-x-10. 6 is 2x3 and 10 is 2x5. THus the remaining side must be 2x4 or 8.

6 0

3 years ago

If i divide 3/4 with 2/5 what would the answer be

Talja [164]

Answer:

The asnwer i fro 5/2 iss 2.5 and the other question is the answer is 1.3 is we add now is 3.8

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers