SOCRATIC
Subjects
Science
Anatomy & Physiology
Astronomy
Astrophysics
Biology
Chemistry
Earth Science
Environmental Science
Organic Chemistry
Physics
Math
Algebra
Calculus
Geometry
Prealgebra
Precalculus
Statistics
Trigonometry
Humanities
English Grammar
U.S. History
World History
... and beyond
Socratic Meta
Ask question
Log in
Sign up
×
Loading...
Bdub has helped students
times in
Activity
Summary of contribution activity by day
Longest streak: 13 days
110 thank you notes
Someone from Sherman Oaks, United States
thanks!
for this
answer
2 days ago
·
Like
Someone from San Francisco, United States
thanks a ton!!!!
for this
answer
3 days ago
·
Like
Someone from San Francisco, United States
Showed the answer great.
for this
answer
5 days ago
·
Like
Show more
Bdub
Bdub joined Socratic 2 years ago. Bdub hasn't written a biography yet.
142K karma
Activity
888 Answers
103 Edits
@bdub
Bdub
wrote an answer to
How do you prove #sec^2(x)-tan^2(x)=1#?
.
2 days ago
·
Like
@bdub
Bdub
updated
the answer to
How do you prove #Cosh(A+B) = CoshA*CoshB+SinhB*SinhA#?
.
1 week ago
·
Like
@bdub
Bdub
wrote an answer to
How do you verify #Tan(theta)csc(theta)= sec(theta)#?
.
1 week ago
·
Like
@bdub
Bdub
wrote an answer to
How do you verify #(2tan(x/2)) / (1+tan^2(x/2)) = sin x#?
.
1 week ago
·
Like
@bdub
Bdub
wrote an answer to
How do you prove the identity #(sinx - cosx)/(sinx + cosx) = (2sin^2x-1)/(1+2sinxcosx)#?
.
1 week ago
·
Like
@bdub
Bdub
updated
the answer to
How do you verify the identity # tan(x/2 + pi/4) = secx + tanx#?
.
1 week ago
·
Like
@bdub
Bdub
wrote an answer to
How do you verify the identity # tan(x/2 + pi/4) = secx + tanx#?
.
1 week ago
·
Like
@bdub
Bdub
wrote an answer to
How do you prove #(tanx+cotx)/(secx+cscx)=1/(cosx+sinx)#?
.
1 week ago
·
Like
@bdub
Bdub
wrote an answer to
How do you verify the identity #1/(1-tan^2theta)+1/(1-cot^2theta)=1#?
.
1 week ago
·
Like
@bdub
Bdub
wrote an answer to
How do you verify the identity #sec^2theta+tan^2theta=sec^4theta-tan^4theta#?
.
1 week ago
·
Like
Show more activity
Loading...
Loading...
Loading...