cos(E ) cos() + sin() sin() os() + sin() sin(주) COS 18 18

Q: How do I simplify (9-sin(x))(4-3cos(x))-(9cos(x))(3sin(x))

A: Given that: (9-sinx)(4-3cosx)-(9cosx)(3sinx)

Q: secccos" (3))

A:

Q: Find and explain  the errors that have been made

A:

Q: Cos'8 Sin&0 Sin'o 2.

A:

Q: cos\theta =(1)/(3)and \theta  is in quadrant IV, then cos(\theta )/(2)

A:

Q: csc²(x) – cot?(x) sin2(x)

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: sin(푸) cos(늑) -cos(쪽) sim(특) cos(꼭) cos(특)-sin(폭) sin(특) COS sin(폭) cos() + cos(쪽) sin() cos(폭)…

A:

Q: sin?() + cos? () + tan? (4) 2 1/2 2 1 1/2

A:

Q: sin2(78°) + cos2(78°)

A: Question is based on trigonometric ratios and angels.

Q: sin(2x) 4+ sin" (X) .

A:

Q: (1 + cos ?)(1 − cos ?)=sin2 ?

A: TO SHOW 1−cosx1+cosx=sin2x

Q: sin(cot-1(-3))

A: Given:

Q: (co0s(-)) +- (cos(- 1. COS because 6. COS 6.

A:

Q: sin(즐) com(즉) and ton(즐) (5) from the given information. csc(x) = 5, 90° < x < 180° sin (€) cos…

A:

Q: A 17 8 B 15 sin(A) = type your answer. - cos(A) = type your answer. - and tan(A) = type your answer.

A:

Q: EVALUATE: tan(sin-'(cos(플) + sin(플)) s-'(tan(-주)) + cos

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Q: cos(sin^-1u-cos^-1v) Write as an algebraic expression of u and v

A:

Q: 1+cos4x 1. 1-cos4x -csc2xdx

A:

Q: Evaluate the six trigonometric functions of the angle θ.

A: Given the figures:

Q: at sin (nt) at Så ea

A:

Q: Simplify cos(그) cos (.플) cos ()) COS 12 [ cos (arb) os (a-6)] COs a cosb t COS

A:

Q: tan

A: We have to find the value of: sin tan-1 38

Q: How do I subtract (sinϴ-1)/(cosϴ) - (cosϴ)/(sinϴ-1). Show work

A: We have given expression to subtract  Let, y=sinθ-1cosθ-cosθsinθ-1 y=sinθ-12-cos2θcosθsinθ-1 Using…

Q: Verify identity (sin θ - cos θ)/sin θ+(cos θ - sin θ)/cos θ= 2 - sec θ csc θ.

A: Given identity is sinθ-cosθsinθ+cosθ-sinθcosθ=2-secθcosecθ.

Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.