cas7saPauBrason cas7saPauBrason

11-11-2016
Mathematics

contestada

Write the expression as the sine, cosine, or tangent of an angle.

cos 112Á cos 45Á + sin 112Á sin 45Á

Respuesta :

syed514 syed514

15-11-2016

The given expression is the expansion of cos (a-b)
so we can simply calculate it as cos(112-45)= cos 67

Answer Link

Otras preguntas

The empirical formula of styrene is CH; find the % composition for H and CH. How many atoms are present in a 2.00 gram sample of styrene? PLEASE HELP! THANK YO

There are 6 pencils in a box. 3 of the pencils are red, 2 are blue and 1 is green. A pencil is taken out of the box without looking. What is the probability tha

Which word in the sentence is the appositive? My older sister Maria is learning how to drive a car. A. sister B. learning C. Maria D. car

Here is a sequence of shapes made from squares and circles. The sequence continues in the same way. The formula for the number of circles (c) in shape number (n

Help me on this question plz plz

Why should mass not be represented by an arrow?

K stands for a whole number. K + 7 is greater than 100 K - 7 is less than 90 Write all the numbers that k could be. Please help me

what are the similarities between insects and humans

There are 6 pencils in a box. 3 of the pencils are red, 2 are blue and 1 is green. A pencil is taken out of the box without looking. What is the probability tha

Here is a sequence of shapes made from squares and circles. The sequence continues in the same way. The formula for the number of circles (c) in shape number (n