math
How many solutions equation x^4 + 2x^2 - 15 = 0 has?
math
Helped alot! Thank you!
math
If √8-a + √5+a = 5, then √(8-a)(5+a) = ... Please help me solve this.
biology
I have codone AUG. Which one of amino acids will be involved in protein making, if nucleotide with adenine (A) will be changed to nucleotide with cytosine (C)?
science
V(CH3OH)= 2 litres ρ(CH3OH) = 0,80 g/ml v(O2) - ? (How much O2 is it needed to burn with 2 litres of CH3OH?)
chemistry
V(CH3OH)= 2 litres ρ(CH3OH) = 0,80 g/ml v(O2) - ? (How much O2 is it needed to burn with 2 litres of CH3OH?)
trig
If (cosa-sina)/sina = 2 , then what is tga = ?
trig
ehh, still dont get it.
trig
I need to prove parallelogram law using the law of cosines. 2AB^2 + 2BC^2 = AC^2 + BD^2 Please, help me to do this.
trig
How to prove the theorem of sines, using S=(a*b/2) * sin γ ?
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