Taykeya Taykeya

09-10-2016
Mathematics

contestada

Sin205Cos85-Cos205Sin85

Respuesta :

Jimmy1999 Jimmy1999

09-10-2016

Remember that :

sin a . cos b - cos a. sin b = sin (a-b)

so :

sin 205. cos 85 - cos 205 . sin 85
= sin (205 - 85)
= sin 120
= sin ( 180-60)
= sin 60
= ½ √3

Hopefully helpfull... :)

Answer Link

Otras preguntas

What is the output of the following code segment? n = 1; for ( ; n <= 5; ) cout << n << ' '; n++; 1. 1 2 3 4 5 2. 1 1 1 ... and on forever 3. 2 3

In this type of inhibition, the inhibitor can bind to the enzyme regardless of whether the substrate has already bound to the enzyme or not. b) noncompetitive c

Choose the right phrase to complete the sentence. What was the goal of Thurgood Marshall and the NAACP in the case of Brown v. Board of Education? A. to allo

Solve the following inequality 38<4x+3+7-3x

Plants use the energy in _______ to make food

Elsa sold 37 pairs of earrings for $20 each at the craft fair. She is going to use 1/4 of the money to buy new CDs and is going to put the rest of the money in

How many ATP are produced from a fatty acid that is 14 carbons long?

In The Godfather which brother is sent to Las Vegas? Sony b. Tom a C. Fredo d. Paulie

Influenza C is rarely included in vaccine for prevention because: A. There is no ability to form antibodies. B. The system are the same as the common cold. C. I

Marcel is nearing graduation. He just met with his counselor and she showed him this information. Marcel’s College Costs & Payment Options per Year Costs