If {(2 sin e - cos 0) / (cos 0 + sin 0)} = 1, then the value of cot 0 is

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

A:

Q: Verify the identity: cos(α - β)/(cos α cos β) = 1 + tan α tan β.

A: We will use the identity

Q: cos49-sin*0 2. = 1– tan20 cos²0

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Q: Find x and y for which the following equation is satisfied: x+2 = - 5+i i-5

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Q: Verify identity (csc x - cot x)2 =(1 - cos x)/(1 + cos x).

A: The given identity is csc x-cot x2 =1-cos x1 + cos x

Q: Using Euler' formula, show that sin 2x = 2 sin x cosx

A: Euler's Formula used.

Q: (1+Sin O+COs02=a(+Sin0)+cose)

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Q: 2 2 cos 0 d0 V1 – sin 0

A: Given:        ∫0π2cosθ1-sinθdθ substitute u=1-sinθ→dudθ=-cosθ→dθ=-1cosθdθ      =∫10-1udu…

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

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

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

A:

Q: Without using a calculator, sin² (27°) + cos² (27°) · find the value of sin (55°) cos(35°)*

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Q: Find the exact Value of -1 Cos (tan'a + Sin ¹ 1/27) 13

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Q: sin x + 1+ COS X 1+ cOS X = 2 csc X sin x

A: Given,          1+cosxsinx+sinx1+cosx=2cscx

Q: Is the equation 2 sin2 0 – cos 0 + 4 = 0 possible ?

A: