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Without using Trigonometric Tables evalu...

Without using Trigonometric Tables evaluate the following :- `(cosec^2 67^@-tan^2 23^@)/(sin^2 17^@+sin^2 73^@)+(sin59^@)/(cos31^@)` .

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Without using Trigonometric Tables evaluate the following :- (1/2sec^2 60^@-1/2tan^2 60^@)/(4[cos^2 29^@+cos^2 61^@] .

Without using Trigonometric Tables evaluate the following :- sec70^@sin20^@-cos20^@cosec70^@ .

Without using Trigonometric Tables evaluate the following :- (sec^2 54^@-cot^2 36^@)/(cosec^2 57^@-tan^2 33^@) +2sin^2 38^@ sec^2 52^@-sin^2 45^@ .

Without using Trigonometric Tables evaluate the following :- (sec50^@sin40^@+cos40^@cosec50^@)

Without using Trigonometric Tables evaluate the following :- 2[(cos^2 20^@+cos^2 70^@)/(sin^2 25^@+sin^2 65^@)]-tan45^@+tan13^@tan23^@tan30^@tan67^@tan77^ @

Without using Trigonometric Tables evaluate the following :- (sec^2(90^@-theta)-cot^2theta)/(2[sin^2 25^@+sin^2 65^@]) +(2cos^2 60^@tan^2 28^@tan^2 62^@)/(3[sec^2 43^@-cot^2 47^@] .

Without using Trigonometric Tables evaluate the following :- sec^2 10^@-cot^2 80^@+(sin15^@cos75^@+cos15^@sin75^@)/(costhetasin(90^@-theta)+sinthetacos(90^@-theta) .

Without using Trigonometric Tables evaluate the following :- (sin^2 35^@+sin^2 55^@)/(tan10^@tan20^@tan30^@tan70^@tan80^@) .

Without using Trigonometric Tables evaluate the following :- (2cos38^@)/(sin52^@)+(4tan40^@)/(cot50^@)+(12sec66^@)/(cosec24^@)

Without using Trigonometric tables, evaluate:- (cos^2 20^@+cos^2 70^@)/(sin^2 59^@+sin^2 31^@) .

MBD-INTRODUCTION TO TRIGONOMETRY-EXERCISE
  1. Without using Trigonometric Tables evaluate the following :- sec70^@si...

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  2. Without using Trigonometric Tables evaluate the following :- (2cos38^@...

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  3. Without using Trigonometric Tables evaluate the following :- (cosec^2 ...

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  4. Without using Trigonometric Tables evaluate the following :- (cos35^@...

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  5. Without using Trigonometric Tables evaluate the following :- (cos58^@)...

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  6. Without using Trigonometric Tables evaluate the following :- ((tan20^@...

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  7. Without using Trigonometric Tables evaluate the following :- 3((sin36^...

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  8. Without using Trigonometric Tables evaluate the following :- (tan 48)/...

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

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  10. Without using Trigonometric Tables evaluate the following :- (2cos67^@...

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  11. Without using Trigonometric Tables evaluate the following :- (2cos65^@...

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  12. Without using Trigonometric Tables evaluate the following :- 2[(cos^2 ...

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  13. Without using Trigonometric Tables evaluate the following :- (sec50^@...

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  14. Without using Trigonometric Tables evaluate the following :- (1/2sec^2...

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  15. Without using Trigonometric Tables evaluate the following :- (2sin68^@...

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

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  17. Without using Trigonometric Tables evaluate the following :- (sin^2 35...

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  18. Without using Trigonometric Tables evaluate the following :- (sin^2 35...

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  19. Without using Trigonometric Tables evaluate the following :- (sec^2 5...

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  20. Without using Trigonometric Tables evaluate the following :- sec^2 10...

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