Question

Simplify cos ( 4 w ) − cos ( 2 w ) sin ( 4 w ) + sin ( 2 w ) to an expression involving a single trigonometric function.

Answer #1

Write the trigonometric expression in terms of sine and cosine,
and then simplify.
cos u + tan u sin u

Let ? (?, ?) = (? 2 cos ? + cos ?)? + (2? sin ? − ? sin ?)?
.
a. Show that ?⃗ is conservative and find a potential function f
such that ∇? = ?⃗
b. Evaluate ∫ ? ∙ ?? ? where C is the line segment from (0, ?/4
) to ( ?/6 , ?/2 )

Let z= 2(cos(160)+ i sin(160)) and w=1(cos(40)+ i
sin(40)). write zw in polar form where -180<degree<or equal
to 180
zw= ______(cos(_____)+ i sin(______))

Let ?(?, ?) = ?^2 sin(?^2 + 4?). Determine the following
derivatives (no need to simplify).
1. ??(?, ?)
2. ???(?, ?)
3. ?2? / ???x

Given sin(theta) = 1/2 and cos(theta) = (sqrt(3))/2 Find the
exact values of the four remaining Trigonometric functions of theta
using identities.

1) Completely simplify
2) Write the expression cot( in terms of x and y only
3) If csc x = 2 and x is in Q I, determine the exact values of
sin x and cos x.
4) Use a sum to product formula to rewrite sin 2x – sin 5x as
the product of two trig functions.
Step by Step please
5) Use a product to sum formula to rewrite sin(2x) * sin(5x) as
a sum of two trig...

Evaluate by Green’s theorem ∮(cos?sin? − ??)?? + sin?cos???
where ? is the circle ?^2 + ?^2 = 1

Prove the identity
1) sin(u+v)/cos(u)cos(v)=tan(u)+tan(v)
2) sin(u+v)+sin(u-v)=2sin(u)cos(v)
3) (sin(theta)+cos(theta))^2=1+sin(2theta)

Use the cofunction identities to find an angle theta
that makes the statement true.
1) sin( 3theta - 17degrees)=cos (theta+43degrees)
2) cot 5theta= tan 4theta
Use identities to write the expression as a single
function of x or theta.
1) cos (theta - pi)
Verify that the equation is an identity.
1) sin (x+y)-sin(x-y)=2 cos x sin y

Find the average of the function ?(?) = sin(?) + cos(2?) over
the interval 0 ≤ ? ≤ 2?.

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 34 minutes ago

asked 41 minutes ago

asked 46 minutes ago

asked 46 minutes ago

asked 57 minutes ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago