GeorgineFarias GeorgineFarias

06-08-2014
Mathematics

contestada

Can anyone help???

simplify: cos(126°)cos(36°) + sin(126°)sin(36°)

Respuesta :

Everest2017 Everest2017

06-08-2014

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

given expression is = cos (126 - 36 ) = cos 90 = 0

Answer Link

Аноним Аноним

06-08-2014

A-b is the answer if u know how to simplify numbers similar to that

Answer Link

Otras preguntas

is 14/18 or 7/9 bigger

What is the multiplicative inverse of 46

What are two examples of an endothermic reaction and what are two examples of an ectothermic reaction?

what is a continuous range of a single feature such as a wave lengt

loud, harsh, or disagreeable sounds a. diction b. allegory c. cacophony d. irony

why is there a higher percentage of oxygen in inhaled air compared to exhales air

What happened to the Soviet air force during the opening days of the German invasion? 1. Up to 2,000 Soviet aircraft were destroyed while still on the ground.

A= 13+26+39+...+169 What is the sum of the prime numbers that can divide A ? A)16 B)18 C)20 D)22 E)24

If Chris and Lisa went shopping and spent a total of $25.50 and Lisa spent $13.50 more then Chris spent. How much did Lisa spend?

when asked to factor the trinomial 8x^2 -8x-16, a student gives the answer (x-2)(x+1). what is wrong with this answer?