Complete the steps by applying trig identities to show that the left hand side of the equation is equivalent to the right hand side..co - sin² z = 1- 2 sin z Steps: cos'z - sin' z =1-2 sin'z # 1+ tan z sin sin cos z : 11 cus cus atsin sin # cos z. + sin z. cas cus E : cos z

Q: 2 and tan a <0, find the exact value of sin(2a) 3 If sina =

A: Here we have the value of sine function. Sine function and tan function is negative implies that the…

Q: 2. Cos sin

A:

Q: Cosx Differentiate Tam 1+ cosx

A:

Q: 13x sin COs

A:

Q: 2- cusx dx COSX Sinx +2 Sinx t5

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: Find   cos(u2)cos(u2)   if   secu=9.545

A:

Q: 49. V sec /

A: Given query is to the derivative and dou ke derivative of the expression.

Q: Sin(39)=Cos ( ? )

A: We know, Sin(x) = Cos(90°-x)

Q: Rewrite using sines and cosines:  tan(y)sec(y). tan(y)sec(y) =   Can you please solve the above…

A:

Q: Ptz 1. sin x secx = tanx 2. cos² x-sin2x-1-2 sin²x Pt₂

A:

Q: (1 + cos ?)(1 − cos ?)=sin2 ?

A: TO SHOW 1−cosx1+cosx=sin2x

Q: Prove the identity. cosx sin (x+ y) – sinx cos (x+y)= sin y

A:

Q: s 4

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

Q: Verify the identity : cos(α - β)/(cos α .sin β) = tan α + cot β

A: Given : cosα - βcosα sinβ = tanα + cotβ

Q: If sec A = 3, sin A < 0 Find sin (2A)

A:

Q: 1. sin x csc x 5. cos x (tan x + 1)

A:

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.