Use the correct formula to simplify (fully), then evaluate 1- 2 sin Ⓒcos ( #); // O COS 言 ○cos ( 3 ); // ○cos ( #) ; √/2 COS 3n s ( ³ ) ; √ √/ 2 COS

Q: Find the value of x sin 6x +sin6/3x -1 -1

A:

Q: Express cos (a) in terms of cos(2a). Express sin (a) in terms of cos(2a). cos² (a) COS sin (a)

A: (a) We have to express cos2α in terms of cos2α.

Q: ∫sin8 (3?) cos5 (3?)??

A: Find the what later to come on the symbols

Q: cos x ,2 1- cos x

A: We have to simplify the trigonometric expression  cos2x1-cos2x.

Q: do i use difference formula to find out whether the following is positive or negative? cos(x+3pi)

A:

Q: s 4

A: To simplify (cos 3x)(cos x)-(sin 3x)(sin x)

Q: Find an algebraic formula for cos (tan-1 u + sin¬1 v), then use that formula to 1 compute cos…

A: given function ,  costan-1 u + sin-1 v  ..........................eq.(1) now we have to find an…

Q: Find exact values for cach expression using sum and difference, double and half angle, or sum to…

A:

Q: sin (3pi/2 + theta) = -cos (theta)

A:

Q: Verify the identity: [sin 2x + (sin 3x + sin x)]/[cos 2x + (cos 3x + cos x)] = tan 2x

A: Consider the identity, sin2x+sin3x+sinxcos2x+cos3x+cosx=tan2x To apply the trigonometric identity,…

Q: Which of the following is an equivalent expression to sin 8-(sin )(cos²0)?

A: