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# Trigonometry || 21.04.2021

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Question 1

The value of is:

Question 2

Find value of cos 1

^{o}cos 2^{o}cos 3^{o}………….. cos 179^{o}Question 3

If 4tanθ = 3, then is

Question 4

Consider Δ PRQ, right-angled at R, in which PQ = 29 cm, PR = 20 cm and ∠PQR = θ. Determine the value of cos

^{2}θ – sin^{2}θ.Question 5

The value of x, if

Question 6

In a ΔABC, right-angled at B, if tanA = , then find the value of 13sinAcosA.

Question 7

If P lies in the first quadrant and 4tan P = 3, then the value of will be:

Question 8

Simplify:

Question 9

if θ is the positive acute angle and sin θ – cos θ = 0, then find value of sec θ + cosec θ

Question 10

If 3cosθ−4sinθ = 0 , what is the value of

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Apr 21SSC & Railway

Posted by:

Naresh RawalMember since Jul 2020

Assistant Section Officer, Central Secretariat (AIR 203) - SSC CGL 2018 #Alumnus of IIT Dhanbad