whi8trebeCharyx whi8trebeCharyx

21-10-2016
Mathematics

contestada

Which pair of angle measures satisfy the condition sin J = cos K? A. 15°, 40° B. 45°, 90° C. 60°, 30° D. 80°, 100° E. 70°, 110°

Respuesta :

nobillionaireNobley nobillionaireNobley

31-10-2016

sin J = cos K
sin J = cos (90 - J)
K = 90 - J

sin 60 = cos (90 - 60) = cos 30

Therefore, 60°, 30° satisfy the condition sin J = cos K.

Answer Link

Otras preguntas

Energy from the sun is a type of: static energy? radiant energy? electricity?

The Cuban Missile Crisis took place in what month and year? September 1961 October 1961 September 1962 October 1962

Which plan stated that once 10% of the state supported the Union that they could be readmitted? *

determine The equation of the midline of the following graph

A box contains 20 light box of which five or defective it for lightbulbs or pick from the box randomly what's the probability that at most two of them are

Ahmed, Walid and Faisal made $1446 profit from selling used books. If Ahmed to receive double amount of Faisal and Walid to receive triple amount of Faisal. How

Is the study of plate tectonics in oceonography considered physical or geological?

Mr. Davidson weighed ten bags of corn in his grocery store. The list shows the weight of each bag, in pounds. 55 1/4, 60 1/2, 70 1/4, 45 3/4, 50 1/2, 60 3/4, 6

In the set of consecutive integers from 21 to 46 , inclusive, there are 2 integers that are multiples of both 2 and 7. How many integers in the set are mulitple

Problem 2 – SHSAT Question Lily spent one-fifth of her salary on a pair of new shoes and then received $90 as a birthday present from her mom. If Lily now has $