Simplify the following expression using identities: sin(x + B) cos(a)cos(B) →Choose the best expression that represents the simplified form of the given expression. A cos(a) - cos(B) B tan²(a)-tan²(ẞ) с cos(α-ẞ) D tan(a)+tan (B)

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: Simplify the following expressions. a. b. C. cos (270°+x) cos(4x) cos(3x) - sin(4x) sin(3x) sin (0)…

A: formula used cos(a+b)=cos(a)cos(b0-sin(a)sin(b)tanx=sinxcosx

Q: Fill in the blanks: 1. If tan x = 2.5 then tan(-x) 2. If sin x = 0.1 then sin(-x) = 3. If cos x =…

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Q: If tan A = and tan B B = 1/1, calculate and simplify the following: tan (A - B) = [?]

A: SOLUTION-

Q: Find the expression, identical to the given tan(5x)

A: Given the trigonometric identity tan(5x)

Q: Rewrite the expression as an algebraic expression in x. tan(sin-1(x))

A:

Q: sec" (*) 1 - tan?(x) cos? (x) %3D sin(x) + sin(x) sin“ (æ) – cos“ (x) = -

A:

Q: (2sin x) -1 Cos

A: cos(2 sin-1x) Let sin-1x=u Taking sin  function on both sides x=sin u

Q: Tan (690) × cos(-510)

A: To find: The value of . Formula used: Trigonometric reduction formula:

Q: Simplify. tan(-x) cos(-x)

A: Given in this questionusing the formulas