Ask a New Question

If sec theta = radical 5, what is the exact value of cos theta

1 answer

sec Ø = √5
then cosØ = 1/√5 , since sec and cos are reciprocal functions

Similar Questions

Multiple Choice (theta) means the symbol 0 with the dash in it.1.)Which expression is equivalent to
1. 2 answers
1. Which expression is equivalent to cos 2theta for all values of theta ?cos^2 theta – sin^2 theta ~ cos^2 theta – 1 1 – 2
1. 1 answer
1. Establish the identity:sin(theta+3pi/2)=-cos(theta) 2. Find the exact value of 2(theta) if sin(theta)=5/13 3. Show that:
1. 0 answers
1. Show that Sin3 Theta - Cos2 Theta = (1 - Sin Theta)(4Sin^2 Theta + 2Sin Theta - 1).Without using a calculator, show that
1. 0 answers

more similar questions