16cos30° - 5tan60° = √x. Find the value of x.

Split up the two terms: cos30° = (1/2)√3 and tan60° = √3 (from memorised values of cos and tan)Therefore 16cos30° = 8√3 and 5tan60° = 5√3 8√3 - 5√3 = 3√3 = √9 x √3 = √27x=27

Answered by David G. Maths tutor

2141 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

What is the difference between LCM and HCF?


Expand (x-5)(x+6)


Find a quarter of the area of a circle with a diameter of 10cm.


what is the value of 27 to the power of -2/3


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2024

Terms & Conditions|Privacy Policy
Cookie Preferences