Prove the identity. sin(x - y) - sin(x + y) = -tan(y) cos(x + y) + cos(x - y) Use the Addition and Subtraction Formulas, and then simplify. 4 sin(x - y) - sin(x + y) cos(x + y) + cos(x - y) Read it 11 ) - (sin(x) cos(y) + cos(x) sin(y)) (cos(x) cos(y) – sin(x) sin(y)) + (cos(x) cos(y) + sin(x) sin(y)) 2 cos(x) cos(y) cos(y) Watch it

Q: Which expression is equal to cos(6t)?

A: Recall:  cos(2t)=cos2(t)-sin2(t)     Given,   cos(6t)

Q: sin(A)cos(B)+cos(A)sin(B) Choose. sin(A)cos(B)- cos(A)sin(B) Choose. cos(A-B) tan(A)+ tan(B)…

A:

Q: Rewrite the expression as an algebraic expression in x. cos(tan-(x))

A: Given cos(tan-1(x)),

Q: Prove the identity. tan(x -)- -cot(x) TC tan x 2 %3D sin(x - ) | tar(x-)- sin(x) cos) - cos(x) sin…

A:

Q: Use the identities to find csc(x) and cos(x) if tan(x) =6 and cos(x)

A: Use the identities to find csc(x) and cos(x) if tan(x) =6 and cos(x)

Q: cos(2æ) Select an identity for cos(x) O cos(x) · cot(x) – sin(æ) O csc(x) O cos(x) – sin(æ) · tan(x)…

A:

Q: Answer the following with the correct answer.  1. An angle in trigonometry whose initial side have…

A: In this question we have to solve three different parts and which are MCQ type. Given, 1. An angle…

Q: Consider the given equation. cos(x) sec(x) sin(x) csc(x) – sin(x) (a) Verify algebraically that the…

A:

Q: Let sinA=-4/5 with A in QIII and cosB=-3/5 with B in QII. Anwer Exactly. Find sin(A-B), cos(A-B),…

A: Given,

Q: sin(x - y) sin(x + y) = -tan(y) cos(x + y) + cos(x - y) Use the Addition and Subtraction Formulas,…

A:

Q: Verify the identity. cos(u) sec(u) tan(u) cot(u) Use a Reciprocal Identity to rewrite the…

A: Given Left Hand Side,

Q: Which of the choices is equivalent to sin(x) cos(x) cot(x) csc(x)? O csc(x) – sin(x) O cot(x) –…

A: The given term is:sinxcosxcotxcscx

Q: sin x= 6/7, cos > 0, sin y = -1/5, and cos y < 0 How do I find sin(x + y), cos(x + y), and tan(x +…

A: Given that  sinx=67, cosx&gt;0,siny=-15and cosy&lt;0. We know that…

Q: Prove the identity. sin(x + y) – sin(x – y) = 2 cos(x) sin(y) Use the Sum and Difference Identities…

A: Given,