Find cosπ/12 and 7π/12 using

Find cosπ/12 and 7π/12 using the known values of sine cosine and tan of π/3 and π/4
1. 1 answer
2. asked by Sinachi
3. 105 views
okay i need to find the derivative off(x)=cosπ(x^2) and if you could show steps it would be GREATLY appreciated. thank you so
1. 2 answers
2. asked by tim
3. 1,012 views
Find each product or quotient. Express the result in rectangular form.2(cosπ/6+isinπ/6) X 4(cos2π/3 +i2π/3)
1. 1 answer
2. asked by Alexis
3. 1,096 views
Find this quotient. Express the result in rectangular form.9(cos3π/2 + isin3π/2) ÷ 3(cosπ/4 + isinπ/4)
1. 1 answer
2. asked by Alexis
3. 752 views
(a)T(m) = −22.75 cosπ/6(m − 1) + 52.55 = 48 m =
1. 1 answer
2. asked by Macky
3. 578 views
Exact value cosπ/12
1. 1 answer
2. asked by Anonymous
3. 366 views
Express the number in rectangular form.3(cosπ/3+isinπ/3)
1. 1 answer
2. asked by Alexis
3. 588 views
Which of the following expressions has the same value as cos30° ?(1 point) Responses sin30° sine 30 degrees cosπ/6 cosine pi
1. 1 answer
2. 94 views
I need to prove equality.a) (sina + cosa)^2 -1 / ctga - sinacosa = 2tg^2a b) (sin^2x/sinx-cosx) - (sinx+cosx/tg^2x+1) = sinx +
1. 4 answers
2. asked by Evelina
3. 952 views
Given the function: f(x) = x^2 + 1 / x^2 - 9a)find y and x intercepts b) find the first derivative c) find any critical values
1. 0 answers
2. asked by Gabby
3. 889 views