Find a tutor
How it works
Prices
Resources
For schools
Become a tutor
Answers
>
Maths
>
A Level
>
Article
Express 2Cos(a) - Sin(a) in the form RCos(a+b) Give the exact value of R and the value of b in degrees to 2 d.p.
R = 5
0.5
b = 26.57 degrees
Answered by William F. •
Maths tutor
3663 Views
See similar Maths A Level tutors
Related Maths A Level answers
All answers ▸
Differentiate y=sin(x)*x^2.
The curve C has equation y = x^3 - 3x^2 - 9x + 14. Find the co-ordinates and nature of each of the stationery points of C.
Find the normal to the curve y = x^2 at x = 5.
Integrate, with respect to x, xCos3x
We're here to help
Contact us
Message us on Whatsapp
+44 (0) 203 773 6020
Company Information
Careers
Blog
Subject answers
Become a tutor
Schools
Safeguarding policy
FAQs
Using the Online Lesson Space
Testimonials & press
Sitemap
Popular Requests
Maths tutor
Chemistry tutor
Physics tutor
Biology tutor
English tutor
GCSE tutors
A level tutors
IB tutors
Physics & Maths tutors
Chemistry & Maths tutors
GCSE Maths tutors
© MyTutorWeb Ltd 2013–2024
Terms & Conditions
|
Privacy Policy
CLICK CEOP
Internet Safety
Payment Security
Cyber
Essentials
Cookie Preferences