B) Prove that: cos? 0 – sin? 0 1-tan? 0 =- 1+tan? 0

Q: |1-cos(0) If tan 0 > 0 and cos 0 < 0, sin = - 2

A:

Q: cos x = sin x tan² x cot³ x

A: To prove:- cosx=sinxtan2xcot3x

Q: (c) cos 27 (d) tan

A: Cos(π/4)= 1/√2= 0.707106781

Q: -1 Determine sin=(cos a) Provide your answer be

A: cosa can be written as sin(pi/2-a) sin and sin inverse get canceled see attached image

Q: The value of tan is negative zero positive

A:

Q: 1-tan?x 1+tan?x sin2x O cos2x tan2x O ||

A: Explanation of the answer is as follows

Q: if sin(A)=3/5 A is in QII and tan(B)=7/24 B is in Q3 then determine tan(A+B) and cot(A+B)

A:

Q: Find the value of X, numerical value only. Find the value of x in the figure below. (13x+8)° (2x +…

A: We have to find x

Q: 3下 2 cos x 1-Sin x

A:

Q: Find sin 8. tan 0 = √2 w|n 3 cos 8>0

A: given  tanθ=-23,  cosθ&gt;0tanθ&lt;0  and  cosθ&gt;0, there for θ is in 4th quadrant

Q: Use the trigonometric identities to expand and simplify if possible. 1-cos(1) Enter…

A:

Q: Q4: Prove that: cos?x – sin?x cos²x - 1- tan?x

A: We need to prove that cos2x-sin2xcos2x=1-tan2x We will use tanx =sin xcos x

Q: Prove that : (cosec?? − sin??)(sec?? − cos??)(tan?? + cot??) =1   Prove that √sec2 + cosec2 = tan…

A:

Q: cos e de sin² 0 + 4 sin 0-5

A: To evaluate the given integral.∫cos θ dθsin2 θ+4 sin θ-5

Q: Suppose that csc a = and 0<a< 4 Find the exact values of cos and tan-

A:

Q: tan 30 + 2S in Go +Cos 30 -tan 60 4.

A:

Q: 35. Verify the following: sec sin 0.tan 0 sin e cos² e

A:

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

A:

Q: C) Show that 1 tan 0+cose =sin.20

A: