Use the graph to complete the identity.
-$\cos 2 x \cos 5 x + \sin 2 x \sin 5 x = ?$

A) $y = \cos 3 x$
B) $y = \sin 3 x$
C) $y = \cos 7 x$
D) $y = \sin 7 x$

Name: Use the graph to complete the identity. -$\cos 2 x \cos 5 x + \sin 2 x \sin 5 x = ?$ A) $y = \cos 3 x$ B) $y = \sin 3 x$ C) $y = \cos 7 x$ D) $y = \sin 7 x$
Brand: Quizplus
Rating: 4.7 (36 reviews)

Question

Use the graph to complete the identity.
-$\cos 2 x \cos 5 x + \sin 2 x \sin 5 x = ?$

A) $y = \cos 3 x$ 
B) $y = \sin 3 x$ 
C) $y = \cos 7 x$ 
D) $y = \sin 7 x$

Quizplus · Accepted Answer

The Answer of Use the graph to complete the identity.
-$\cos 2 x \cos 5 x + \sin 2 x \sin 5 x = ?$

A) $y = \cos 3 x$ 
B) $y = \sin 3 x$ 
C) $y = \cos 7 x$ 
D) $y = \sin 7 x$

Use the Graph to Complete the Identity cos⁡2xcos⁡5x+sin⁡2xsin⁡5x=?\cos 2 x \cos 5 x + \sin 2 x \sin 5 x = ?cos2xcos5x+sin2xsin5x=?

Use the Graph to Complete the Identity $\cos 2 x \cos 5 x + \sin 2 x \sin 5 x = ?$