For which of the following expressions would it NOT be useful to employ a double angle formula in order to calculate? a) 2 tan 15⁰ 1-tan²15⁰ b) 2 sin 75° cos 75⁰ Oc) 1-2 sin² 3% 8 d) 2 cos²12⁰-1

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
icon
Related questions
Question
100%

Please help me with this question thanks!

For which of the following expressions would it NOT be useful to employ a double
angle formula in order to calculate?
a)
2 tan 15⁰
1-tan²15⁰
b) 2 sin 75° cos 75⁰
Oc) 1- 2 sin²: 3%
8
d) 2 cos²12⁰-1
Transcribed Image Text:For which of the following expressions would it NOT be useful to employ a double angle formula in order to calculate? a) 2 tan 15⁰ 1-tan²15⁰ b) 2 sin 75° cos 75⁰ Oc) 1- 2 sin²: 3% 8 d) 2 cos²12⁰-1
Expert Solution
steps

Step by step

Solved in 3 steps with 2 images

Blurred answer
Recommended textbooks for you
Advanced Engineering Mathematics
Advanced Engineering Mathematics
Advanced Math
ISBN:
9780470458365
Author:
Erwin Kreyszig
Publisher:
Wiley, John & Sons, Incorporated
Numerical Methods for Engineers
Numerical Methods for Engineers
Advanced Math
ISBN:
9780073397924
Author:
Steven C. Chapra Dr., Raymond P. Canale
Publisher:
McGraw-Hill Education
Introductory Mathematics for Engineering Applicat…
Introductory Mathematics for Engineering Applicat…
Advanced Math
ISBN:
9781118141809
Author:
Nathan Klingbeil
Publisher:
WILEY
Mathematics For Machine Technology
Mathematics For Machine Technology
Advanced Math
ISBN:
9781337798310
Author:
Peterson, John.
Publisher:
Cengage Learning,
Basic Technical Mathematics
Basic Technical Mathematics
Advanced Math
ISBN:
9780134437705
Author:
Washington
Publisher:
PEARSON
Topology
Topology
Advanced Math
ISBN:
9780134689517
Author:
Munkres, James R.
Publisher:
Pearson,