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Let"s discuss the concepts related to lớn Trigonometry and Trigonometric Identities. Explore more from Mathematics here. Learn now!

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## More Trigonometric Identities Questions

**Q1.**Evaluate 3sinx - 4sin3x & figure out the correct answer from below options?

**Q2.**Evaluate(fracsin 5x - 2sin 3x + sin xcos 5x - cos x)and figure out the correct answer from below options?

**Q3.**Determine the value of (( an fracpi8)) ?

**Q4.**If tanθ =(frac1sqrt 7 ), then the value of(frac mcose mc^ m2 m heta , - mse mc^ m2 m heta , mcose mc^ m2 m heta , + mse mc^ m2 m heta )equals:

**Q5.**Let sin 2θ = cos 3θ, whereθ is acute angle. What is the value of 1 + 4 sinθ? (given that (sin 18^circ =fracsqrt 5 - 14))

**Q6.**If(α + β = fracpi4)and 2tan α = 1, then what is rã 2β equal to?

**Q7.**What is value of cot2 15° + tan2 15° ?

**Q8.**What is the value of sin 0° + sin 10° + sin 20° + sin 30° +⋯ + sin 360°?

**Q9.**If (1 + rã θ) (1 + tan 9θ) = 2, then what is the value of tan(10θ)?

**Q10.**If tanα + tanβ = 1 - tanα.tan β, where tanα tanβ≠ 1, then which of the following is one of the values of (α + β) ?

## More Trigonometry Questions

**Q1.**The foot of a ladder 25 m long is 7 m from the base of the building. If the top of the ladder slips by 4 m, then by how much distance will the foot of the ladder slide?

**Q2.**If a 30 meter ladder is placed against a 15 metre wall such that it just reaches the vị trí cao nhất of the wall, the angle of elevation of the wall is:

**Q3.**Evaluate 3sinx - 4sin3x & figure out the correct answer from below options?

**Q4.**Evaluate(3 sin fracpi6 sec fracpi3-4sin frac5pi6 cot fracpi4)and figure out the correct answer from below options?

**Q5.**If sin x =(frac45), cos y =(-frac1213), where x và y both lie in second quadrant, find the value of sin(x + y)?

**Q6.**Evaluate(fracsin 5x - 2sin 3x + sin xcos 5x - cos x)and figure out the correct answer from below options?

**Q7.**A triangle shaped instrument in the geometry box is called

**Q8.**Determine the value of ( an frac13 pi12) and sin 15°?

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**Q9.**If ( an x=frac34, pi

**Q10.**What is the principal solutions of the equation ( an x=-frac1sqrt3)?

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## More Mathematics Questions

**Q1.**One thẻ is drawn out of a pack of 52 cards. What is the probability that the thẻ drawn is a heart or a king ?

**Q2.**In an examination of twenty questions, each correct answer carries 5 marks, each unanswered question carries 1 mark và each wrong answer carries 0 marks. Which one of the following marks is not possible?

**Q3.**A committee of 3 persons is khổng lồ be formed by choosing from three men & 3 women in which at least one is a woman. In how many different ways can this be done?

**Q4.**A và B are two events such that P(A) = 0.3 & P(A ∪ B) = 0.8. If A & B are independent then P(B) is :

**Q5.**If a set has n elements then the power set of that set has ______ elements.

**Q6.**Words are framed from the letters of the word GANESHPURI as follows, then the true statement is

**Q7.**If nC10 = nC15, then 27Cn equals

**Q8.**If n harmonic means are inserted between 1 and r, then(frac1^stmeann^thmean = )

**Q9.**The coefficient of x4 in the expansion of (1 + x + x2 + x3)11 is

**Q10.**In the expansion of (1 - x)-3, |x|

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