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nordsb [41]
2 years ago
6

Express as a product:

sin^2\alpha" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
Basile [38]2 years ago
3 0

Answer:

(1 - 2sinα)(1 + 2sinα)

Step-by-step explanation:

1 - 4sin²α ← is a difference of squares and factors in general as

a² - b² = (a - b)(a + b)

1 - 4sin²α

= 1² - (2sinα )²

= (1 - 2sinα)(1 + 2sinα)

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5×12÷[-12÷{15+(4-13)}]​
Elina [12.6K]

Answer:

=5×12÷[-12÷{15+(-9)}]

=5×12÷[-12÷6]

=5×12÷(-2)

=-30

Step-by-step explanation:

8 0
3 years ago
Pleaseee i need some help on these 3 questions
Zepler [3.9K]

Answer:

a) the product is equal to 953.

b) the product is greater than 443.

c) the product is greater than 181.

Step-by-step explanation:

a) 953 × 63/63 = 953

Therefore, the product is equal to 953.

b) 443 × 86/79 = 482.25

Therefore, the product is greater than 443.

c) 181 × 30/28 = 193.93

Therefore, the product is greater than 181.

Hope this helps =)

6 0
2 years ago
-16 + 12 how this works is that you have to add -16 + 12 and you will get your answer
Rasek [7]

Answer: -4

Step-by-step explanation:

The outcome is negative since -16 is bigger than 12.

If you do the math then you will get -4

3 0
3 years ago
Read 2 more answers
Someone please help me with this geometry proof question ASAP!
vivado [14]

Answer:

if ∠Q=∠R

draw an angular bisector from P to QR in which it intersect wit Qr at point S

now we have two triangle : QPS and RSP

in which angle : QPS=RPS ( PS is angular bisector)

and we have angle Q and angle R are equal

and PS is common side

this makes triangle QPS and RSP are congruent by AAS(angle angle side)

which also means that pQ=PR ( proved)

8 0
3 years ago
What is 9^2÷(2+1)×30-3^3
weeeeeb [17]
I’m pretty sure that the answer 783 :)
6 0
3 years ago
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