25 If sec(0) = -,0 <0< 90, then 7 sin(0) equals cos(0) equals tan(0) equals Question Help: Worked Example 1 Submit Question

Q: Simplify tan (-x) ese(x) cos(x)= А. О В. 1 С. -1 D. sinx

A: tan(-x) cosec (x) cos (x) = [Sin(-x)/ cos(-x)] cosec (x) cos(x)  = [sin (-x)/cos (x) ] cosec (x) cos…

Q: what is cos(tan^−1(−1/2))

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Q: If x = 4 sin 0, then J csc2ede = %3D

A: Here, ⇒x=4sinθ⇒sinθ=x4 By using Pythagoras theorem, We will have remaining side of the triangle…

Q: 1.secB-cosB = tanB sin B 2.cotAcosA + sin A= cscA

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Q: 5(a) Is 1+tant=sint(csct+sect)TRUE for all values of t? If YES, prove the identity. Otherwise,…

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Q: Solve the following algebraically:  a) tan (theta)+cos(theta)/1+sin(theta)=sec (theta) b)…

A: a) Here we have to show that  tanθ+cosθ/1+sinθ=secθ Now here we use the formula tan(θ)=sin(θ)cos(θ)…

Q: 2. Verify the identity:

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Q: V3 Tan" (-V3) Cos"(-1) 3. Sin 2 1. 2.

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Q: Use the identity cos^(2)s+ sin^(2)s = 1 to find the value of x or y, as appropriate. (((2)/(9)), y),…

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Q: 13. In triangle ABC, suppose a = 8, b= 16, and angle C= 135°. Find side c %3D

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Q: cot (0) csc (0) sec2 (0)

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Q: Suppose that sin(0)=3/8. What cos(0)=_ Your Answer: . (round to 3 decimal places)

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Q: If cos x = 4/5, csc x < 0, then sin 2x cos2x = tan 2x

A: Cosx=4/5 ,cscx&lt;0

Q: 1) cos- 1 2 3) sin-1 V3 5) cos-.

A: As per our guidelines we are supposed to answer only first three parts.kindly repost others part as…

Q: . is cos(cos^-1 1.7=1.7 true?     2. is sin^-1 (sin80*)=80* true?

A: We know the basic relations      cos(cos-1x)=x Because cos and cos-1 are opposite functions,…

Q: 13 If sec0 5 Show that 2 sin 0-3cos0 3D3 4 sin 0 –9 cos0

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