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Without using Trigonometric tables, eval...

Without using Trigonometric tables, evaluate:- `2(cos67^@)/(sin23^@)-(tan 40^@)/(cot50^@)-sin90^@` .

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Without using Trigonometric Tables evaluate the following :- (2cos67^@)/(sin23^@)-(tan40^@)/(cot50^@)-cos0^@+tan15^@tan25^@tan60^@tan65^@tan75^@ .

Without using Trigonometric Tables evaluate the following :- (2cos65^@)/(sin25^@)-(tan20^@)/(cot70^@)-sin90^@+tan5^@tan35^@tan60^@tan55^@tan85^@ .

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

Without using Trigonometric tables, evaluate:- 2(sin43^@)/(cos47^@)-(cot30^@)/(tan60^@)-sqrt2 sin45^@ .

Without using Trigonometric Tables evaluate the following :- (cos58^@)/(sin32^@)+(sin22^@)/(cos68^@)-(cos38^@ cosec52^@)/(tan18^@tan35^@tan60^@tan72^@tan55^@) .

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

Without using Trigonometric Tables evaluate the following :- (cos35^@)/(sin55)+(sin11^@)/(cos79^@)-cos28^@ cosec62^@ .

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

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

Without using Trigonometric Tables evaluate the following :- (2sin68^@)/(cos22^@)-(2cot15^@)/(5tan75^@)-(3tan45^@tan20^@tan40^@tan70^@tan50^@)/5 .

MBD-INTRODUCTION TO TRIGONOMETRY-EXERCISE
  1. Without using Trigonometric tables, evaluate:- 2(sin43^@)/(cos47^@)-(c...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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