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Find the equations of the tangent to the...

Find the equations of the tangent to the given curves at the indicated points:
x= cos t , y =sin t at t = `(pi)/(4)`

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The correct Answer is:
Tangent: x + y − `sqrt(2)` = 0; Normal x = y
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NCERT BANGLISH-APPLICATION OF DERIVATIVES-EXERCISE 6.3
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  12. Find the points on the curve x^(2) + y^(2) – 2x – 3 = 0 at which the t...

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  14. Find the equation of the normals to the curve y = x^(3) + 2x + 6 which...

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  15. Find the equations of the tangent and normal to the parabola y^(2) = 4...

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  16. Prove that the curves x = y^(2) and xy = k cut at right angles* if 8k^...

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  17. Find the equations of the tangent and normal to the hyperbola (x^(2))/...

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  18. Find the equation of the tangent to the curve y= sqrt(3x-2) which is p...

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  19. The slope of the normal to the curve y = 2x^(2) + 3 sin x at x = 0 is

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  20. The line y = x + 1 is a tangent to the curve y^(2) = 4x at the point

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