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Recent activity by Kellyanne smith
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Kellyanne smith
Recent Activities
User Kellyanne smith
Recent activity
All questions
All answers
User Kellyanne smith
Recent activity
All questions
All answers
1
answer
proving method of differences
asked
Feb 11, 2023
in
Calculus Answers
|
1.1k
views
method of differences
math problem
word problem
1
answer
Showing binomial expansion and expressing in terms of factorials
asked
Feb 11, 2023
in
Calculus Answers
|
381
views
binomial expansion
sequences and series
word problems
1
answer
Given a geometric series find the value of r
asked
Feb 11, 2023
in
Calculus Answers
|
339
views
sequences and series
geometric sequence
sum of infinite geometric series
1
answer
Express f (θ) = sin θ + √3 cos θ in the form r sin (θ + a) where r > 0 and 0° ≤ a ≤ 90°. At what value of theta does the minimum occur, what is the minimum value
answer selected
Nov 30, 2021
in
Trigonometry Answers
|
721
views
trigonometric identites
1
answer
Given that θ is such that 0 ≤ θ ≤ 3/2 π and cos θ = 2sin^2 θ - 1, find the value(s) of θ
asked
Nov 29, 2021
in
Trigonometry Answers
|
389
views
identities
trigonometry
a level mathematics
1
answer
Given that cos A = √3 - 1, find the value of sin^2A in the form p √3 + q
answer selected
Nov 29, 2021
in
Trigonometry Answers
|
430
views
trigonometry
1
answer
Solve: cos x = -cos 2x - sin 2x + sin x +1, (for x ∈ [-180, 180]
answer selected
Nov 26, 2021
in
Trigonometry Answers
|
552
views
identities
1
answer
Prove the identity
commented
Nov 24, 2021
in
Trigonometry Answers
|
1.3k
views
proving trigonometric identities
double-angle identities
trig identity
87,542
questions
99,804
answers
2,417
comments
522,505
users