# Violet Anderson

Trigonometry teacher | Experienced educator in USA

I hold a degree in Trigonometry from Washington and Lee University. With a passion for mathematics, I bring expertise in trigonometric functions, identities, and problem-solving techniques. As a dedicated educator, I strive to foster a deep understanding of mathematical concepts in my students, empowering them to excel in their studies. With a commitment to clarity and patience, I guide learners through challenging topics, equipping them with the skills and confidence to succeed. Let's explore the fascinating world of trigonometry together!

## Questions

How do you express #cos(4theta)# in terms of #cos(2theta)#?

Hi what is the exact value of -(pi/12) ?

Can someone help me please? Thanks!

How do you solve #2cosx+3=0# in the interval #0<=x<=2pi#?

How do you prove #sec^2x-2secxcosx+cos^2x=tan^2x-sin^2x# ?

How do you graph #f(x)= 2 sin 4x#?

What are all the options for x in 2tanx=3sinx?

How do you solve #2sinthetacostheta+sqrt3sintheta=0#?

If cos(θ)=3/5, what is the value of sin(θ)?

What is the period of #f(t)=sin( ( t) /6 )#?

Prove that sec(2theta)=sec^2(theta) divided by (2-sec^2(theta))?

How do you convert #r=1/(cosθ+5sinθ)# to rectangular form?

How do you find the general solutions for #sinx+2tanx=0#?

A ship leaves a port on a bearing of 073° and sails 63km. The ship then changes course and sails a further 60km on a bearing of 110° where it anchors. When it anchors it is 95km from the port. Calculate the bearing of the ship from the port at this point?

How do you graph #r=3sintheta+3#?

By considering the relationships between the sides of the right angled triangle (hypotonuese of 12 cm) explain why sin x can never be greater than 1?

What is the angle between #<1 , -5 ,1 > # and # < -4, 9 , 4 > #?

How do you change the rectangular coordinate #(-6, 6sqrt3)# into polar coordinates?

How do you graph #y=2sin(1/2x)#?

How do you calculate #cos^-1 (2.3/5.4)#?