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  • Question 1
    1 / -0

    If 7sinα = 24 cosα; 0 < α < π/2, then the value of 14 tanα−75cosα − 7secα is equal to:

  • Question 2
    1 / -0

    The value of \(\cos \left(40^{\circ}+\theta\right)-\sin \left(50^{\circ}-\theta\right)+\frac{\cos ^{2} 40^{\circ}+\cos ^{2} 50^{\circ}}{\sin ^{2} 40^{\circ}+\sin ^{2} 50^{\circ}}\) is :

  • Question 3
    1 / -0

    If sinA + cosA = m and sinA + cosA = n, then

  • Question 4
    1 / -0

    In an isosceles triangle ABC; AB = AC = 10 cm and BC = 18 cm. Find the value of :
    sin2B + cos2C

  • Question 5
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    \(a \sin x=b \cos x=\frac{2 c \tan x}{1-\tan ^{2} x}\) and \(\left(a^{2}-b^{2}\right)=k c^{2}\left(a^{2}+b^{2}\right)\)
    then \(k=?\)

  • Question 6
    1 / -0

    \(x=\frac{\sin ^{3} p}{\cos ^{2} p}, y=\frac{\cos ^{3} p}{\sin ^{2} p}\) and \(\sin p+\cos p=\frac{1}{2}\) then \(x+y=\)

  • Question 7
    1 / -0

    \(\tan 20^{\circ}=k \Rightarrow \frac{\tan 250^{\circ}+\tan 340^{\circ}}{\tan 200^{\circ}-\tan 110^{\circ}}=\)

  • Question 8
    1 / -0

    In the above figure, what is the perimeter of Δ ACD?

  • Question 9
    1 / -0

    cosec2Acot2A − sec2Atan2A − (cot2A − tan2A)(sec2A + cosec2A − 1) is equal to

  • Question 10
    1 / -0

    If an is an A.P and a1+a4+a7+...+a16=147, then a1+a6+a11+a16=

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