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Find the value theta in the following :-...

Find the value `theta` in the following :- `2cos3theta=1` .

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Find the value theta in the following :- 2sin2theta=sqrt3 .

Find the value theta in the following :- tan3theta=sin45^@ cos45^@+sin30^@ .

Find the value theta in the following :- sin2theta=sin60^@cos30^@-cos60^@sin30^@ .

Evaluate the following integrals: 1/(1+2cos theta)d theta

Find the values of the remaining functions in the following problem : cos theta = (-3)/5 , theta in quadrant III.

If sin theta_1 + sintheta_2 + sin theta_3 = 3 then find the value of cos theta_1 + cos theta_2 + cos theta_3.

Find (d^2)/(dx^2) in the following : If x = a cos^3 theta and y = a sin^3 theta , then find the value of d^2y/dx^2) at theta = pi/6

Find (d^2)/(dx^2) in the following : x = a cos^3 theta, y = a sin^3theta

Find (d^2y)/(dx^2) in the following x = a cos^3 theta, y = a sin^3 theta

Find the adjoint of each of the following matrices: [(cos theta, sin theta),(-sin theta, cos theta)]

MBD-INTRODUCTION TO TRIGONOMETRY-EXERCISE
  1. Show that :- 2[cos^2 45^@+tan^2 60^@]-6[sin^2 45^@-tan^2 30^@]=6 .

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  2. Find the value theta in the following :- 2sin2theta=sqrt3 .

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  3. Find the value theta in the following :- 2cos3theta=1 .

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  4. Find the value theta in the following :- sqrt3 tan2theta-3=0 .

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  5. Find the value theta in the following :- tan3theta=sin45^@ cos45^@+sin...

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  6. Find the value theta in the following :- costheta=cos60^@ cos30^@ +sin...

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  7. Find the value theta in the following :- sin2theta=sin60^@cos30^@-cos...

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  8. Ifsin(A-B)= sin A cosB-cos A sin B and cos(A-B) = cosA cosB + sin A si...

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  9. Express cot 85^@ + cos 75^@ in terms of trigonometric ratios of angles...

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  10. Without using Trigonometric tables, evaluate:- 2(sin43^@)/(cos47^@)-(c...

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  11. Without using Trigonometric tables, evaluate:- (cos^2 20^@+cos^2 70^@)...

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  12. Without using Trigonometric tables, evaluate:- 2(cos67^@)/(sin23^@)-(t...

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  13. Evaluate : (sin70^@)/(cos 20^@)+(cosec36^@)/(sec54^@)-(2cos43^@cosec47...

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  14. Evaluate : (tan20^@)/(cot70^@) +(cot50^@)/(tan40^@)+(sin^2 20^@+sin^2 ...

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  15. Without using Trigonometric Tables evaluate the following :- sinthetac...

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  16. Evaluate : tan 15^@ tan25^@tan60^@tan65^@tan75^@ .

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  17. Evaluate : tan65^@/cot25^@ .

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  18. If sin 3A = cos (A- 26^@) where 3A is an acute angle, find the value o...

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  19. Evaluate : (cos80^@)/(sin10^@)+cos59^@ cosec31^@ .

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  20. Without using Trigonometric Tables evaluate the following :- sec70^@si...

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