Choose the correct answer cos−1(cos67π) is equal to

cos−1cos(67π)cos−1(cos(π +6π))=cos−1(−cos6π) =π−cos−1(cos6π)=π−6π=65π

Get 2 FREE Instant-Explanations on Filo with code FILOAPP

Choose the correct answer ^{-1} ( {7 }{6}) is equal to

Question

Choose the correct answer
$cos^{- 1} (cos \frac{7 π}{6})$ is equal to

\frac{7 π}{6}

\frac{5 π}{6}

\frac{π}{3}

\frac{π}{6}

Views: 816 students

Found 2 tutors discussing this question

Sofia Discussed

Choose the correct answer

cos^{- 1} (cos \frac{7 π}{6})

is equal to

5 mins ago

Discuss this question LIVE

5 mins ago

cos^{- 1} cos (\frac{7 π}{6})

cos^{- 1} (cos (π + \frac{π}{6})) = cos^{- 1} (- cos \frac{π}{6})

= π - cos^{- 1} (cos \frac{π}{6})

= π - \frac{π}{6}

= \frac{5 π}{6}

Was this solution helpful?

150

Report

One destination to cover all your homework and assignment needs

Learn Practice Revision Succeed

Instant 1:1 help, 24x7

60, 000+ Expert tutors

Textbook solutions

Big idea maths, McGraw-Hill Education etc

Essay review

Get expert feedback on your essay

Schedule classes

High dosage tutoring from Dedicated 3 experts

Trusted by 4 million+ students

Stuck on the question or explanation?

Connect with our maths tutors online and get step by step solution of this question.

231 students are taking LIVE classes

Question Text	Choose the correct answer $cos^{- 1} (cos \frac{7 π}{6})$ is equal to
Answer Type	Text solution:1
Upvotes	150