SOLUTION: How would you verify the identify of sec y cos {{{ y = 1 }}}? A.) 1 + tan˛u = sec˛ u B.) cos u = 1/sec u C.) cot u = sin u/cos u D.) sec(-u) = sec u Thank you.

Algebra.Com
Question 1063130: How would you verify the identify of sec y cos ?
A.) 1 + tan˛u = sec˛ u
B.) cos u = 1/sec u
C.) cot u = sin u/cos u
D.) sec(-u) = sec u
Thank you.

Answer by josgarithmetic(39613)   (Show Source): You can put this solution on YOUR website!
Do you mean, sec(y)cos(y)=1 ?


Use the definition of secant function.

RELATED QUESTIONS

How would you verify the identify of sec y cos {{{ y = 1 }}}?... (answered by Fombitz)
verify the identity algebraically (sin(u-v))/(sin u*cos v) = 1-cot u*tan... (answered by jsmallt9)
The equation below can be made into an identity and simplified completely as shown.... (answered by jsmallt9)
simplify and write the trigonometric expression in terms of sine and cosine:... (answered by asuar010)
Identify the expression that completes the equation so that it is an identity. 1+sec... (answered by Alan3354)
Write the following algebraic (non-trigonometric) expression in u, u>0.... (answered by lwsshak3)
verify that each of the following is an identity: 1) cos x/ 1-sin^2x= sec x 2) sec... (answered by stanbon)
How do u prove the identity of sec*sin over... (answered by lwsshak3)