kallale464 kallale464

06-04-2020
Mathematics

contestada

Simplify the expression using the appropriate identities. (Do not use calculator)
sin 9° cos 10°- cos 9º sin 10° =

Respuesta :

PollyP52 PollyP52

06-04-2020

Answer:

sin -1 degrees.

Step-by-step explanation:

sin (A - B) = sin A cos B - cos A sin B

Therefore sin 9° cos 10°- cos 9º sin 10° = sin (9 - 10)

= sin -1 degrees.

Answer Link

Otras preguntas

Which statement(s) describe the steps for studying character development? Check all that apply. Consider the character’s actions at the beginning of the story.

Fats that have been artificially hardened by hydrogenation to remain solid at room temperature are called

PLEASEEE HELPPPWhat can you learn from the book "Demian" And a book summary please tysm

Which ordered pairs in the form (x, y)(x, y) are solutions to the equation 7x−5y=287x−5y=28 ? Select each correct answer. (4, 10)(4, 10) (−1, −7)(−1, −

The point slope of a line that has a slope of -2 and passes through point (5,-2) is shown below. Which equation is in slope intercept form?

F(x)=( x^4 + 5x^3 - 2x^2 + 5x - 3) d(x)=( x^2 + 1) Divide f(x) by d(x)

People who have has blistering sunburns at a young age are at greatest risk to develop

Help please??? Thanks

Over the last three evenings, Raina received a total of 83 phone calls at the call center. The first evening, she received 7 more calls than the third evening.

when you receive conflicting answers about a topic from different interview sources, what should you do? (4 points) Continue researching, but use both source