Brainliest to best answer!
2 answers:
Personally for proving questions especially trigo, i reckon u memorise all of the formulas, esp double angle and half angle.
also, for other types of proving qn like prove d = 1/2 in an a.p, u can always go back to your basics, which is U1 + d = U2.
but, i would say that as long as u practice a lot of questions u should be able to recognise how to prove the questions
Answer:
take your time and always ask for help when needed
Step-by-step explanation:
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85,03 çevap budur inşallah doğrudur iyi dersler
Answer:
72 degrees
Step-by-step explanation:
180-108=72
where I got 180: a supplementary angle is 180 degrees
Answer:
4sqrt(2) cm
Step-by-step explanation:
a^2 + b^2 = c^2
4^2 + 4^2 = c^2
32 = c^2
sqrt(32) = c
c = 4sqrt(2)
A
i need to put 20 characters in here so imma tell you, just use desmos.com. if you type in the equations, it’ll show you the graph
143/7 + (11-9)
143/7 + 2
143/7 + 14/7
143+14/7
157/7
Alternative form 22 3/7
