Email
Chat with tutors
logo

Ask Questions, Get Answers

X
 
Answer
Comment
Share
Q)

Prove geometrically cos(A+B)=cosA cosB-sinA sinB and evaluate cos105°

Prove geometrically cos(A+B)=cosA cosB-sinA sinB and evaluate cos105°

1 Answer

Home Ask Tuition Questions
Your payment for is successful.
Continue
...