ailiealien
ailiealien
15-05-2016
Mathematics
contestada
can i know the steps to these questions?
Respuesta :
padawan
padawan
15-05-2016
1.
sin ( sin - cos ) + cos(sin + cos)
= sin^2 - sin cos + cos sin + cos^2
= sin^2 + cos^2 = 1
formula: sin^2 + cos^2 = 1
2.
tan a tan(90-a) + sin^2 + cos^2
= tan a tan(90-a) + 1
= tan a / tan a + 1 = 2
formula: sin^2 + cos^2 = 1
tan(90-a) = 1/tan(a)
Answer Link
VER TODAS LAS RESPUESTAS ( 97+ )
Otras preguntas
What is the total amount of energy before and after energy is transferred between kinetic and potential?
Jarred says these number lines show 3/4 is equivalent to 2/3 is jarred correct?Explain
“….We choose to go to the moon. We choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard, becaus
Physical capital is known as human-made objects. TRUE FALSE
The first hexagon is dilated to form the second hexagon. Select answers from the drop-down menus to correctly complete the statements. The scale factor is . T
where do fish come in at in evolution?
__________ have a similar function but are not derived from a common ancestral structure.
True or false patient education is completely up to the medical assistant.
I need this to be answered
An inactive gene inherited from an ancestor is an example of which kind of evidence for evolution?
