0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

# STATEMENT - 1 : cos15∘=√3+12√2STATEMENT - 2 : cos(A−B)=cosAcosB+sinAsinB

A
Statement - 1 is True, Statement - 2 is True, Statement - 2 is a correct explanation for Statement - 1
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
Statement - 1 is True, Statement - 2 is True : Statement 2 is NOT a correct explanation for Statement - 1
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
Statement - 1 is True, Statement - 2 is False
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
Statement - 1 is False, Statement - 2 is True
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

## The correct option is A Statement - 1 is True, Statement - 2 is True, Statement - 2 is a correct explanation for Statement - 1Putting A=45∘ and B=30∘We get cos(45∘−30∘)=cos45∘cos30∘+sin45∘sin30∘=1√2×√32+1√2×12=√3+12√2

Suggest Corrections
0
Join BYJU'S Learning Program
Related Videos
Compound Angles
MATHEMATICS
Watch in App
Join BYJU'S Learning Program