3 years ago

Sin²a+sin²a.tan²a=tan²a

Mathematics

1 answer:

wolverine [178]3 years ago

6 0

Answer:

# sin²A (1+tan²A)

# sin²A(sec²A)

# sin²A(1/cos²A)

# sin²A/cos²A=tan²A

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natita [175]

<span>Problem: 3(x-5)-15=48

1. Multiply what's in the parenthesis
3x-15-15=48

2. Combine like terms
3x-30=48

3. Switch the sides
3x=48+30
3x=78

4. Divide

x=26

Answer: 26

</span><span>
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3 years ago

11 is 40% of whst number

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