If (cos theta)/(1- sin theta) + (cos the...

If `(cos theta)/(1- sin theta) + (cos theta)/(1 + sin theta) =4`, then find the value of `cos theta`. Find `theta` if `0^(@) lt theta lt 90^(@)`

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LUCENT PUBLICATION-ELEMENTARY TRIGONOMETRIC IDENTITIES -EXERCISE 11B

If (cos theta)/(1- sin theta) + (cos theta)/(1 + sin theta) =4, then f...
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If sec theta=4x and tan theta=4/x, (x ne 0) then the value of 8(x^2-1/...
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2-cos^(2)theta =3 sintheta costheta , sintheta ne cos theta, then the...
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If sintheta+costheta=sqrt(2)sin(90^(@)-theta) , then the value of co...
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If x sin^(3) theta + y cos^(3) theta = sin theta cos theta and x sin t...
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A and B are complementary angles, then find the value of sinAcosB+cosA...
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The least value of 2sin^2theta+3cos^2theta is
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sec^(4)theta - sec^(2)theta equals
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If costheta+cos^(2)theta=1, then find the value of sin^(4)theta+sin^(2...
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If sec theta - cosec theta = 0 , then the value of (sec theta + cosec ...
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If P sin theta = sqrt(3) and P costheta =1, then the value of P is:
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If mu(n) = cos^(n)alpha + sin^(n)alpha, then the value of 2mu(6)- 3mu(...
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If sin(x+y)=cos[3(x+y)], then the value of tan[2(x+y)] is.
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The value of (1+sec20^(@)+cot70^(@))(1-"cosec"20^(@)+tan70^(@)) is...
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If alpha is a positive acute angle and 2sin alpha+15cos^(2)alpha=7, th...
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The value of theta [0^(@) lt theta lt 90^(@)], for which (cos theta)/(...
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If sec theta+tan theta=3, then the value of sec theta is: यदि sec th...
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If tan2theta.tan4theta=1 , then the value of tan3theta is
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If costheta+sectheta=sqrt(3) , then the value of (cos^(3)theta+sec...
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If 2ycos theta =x sin theta and 2x sectheta -y "cosec"theta =3, then t...
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If sectheta + tan theta = sqrt(3), then the positive value of sin thet...
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