![The value of `cot18^(@)(cot72^(@)cos^(2)22^(@)+(1)/(tan72^(@)sec^(2)68^(@)))` is - Sarthaks eConnect | Largest Online Education Community The value of `cot18^(@)(cot72^(@)cos^(2)22^(@)+(1)/(tan72^(@)sec^(2)68^(@)))` is - Sarthaks eConnect | Largest Online Education Community](https://learnqa.s3.ap-south-1.amazonaws.com/images/16114053772023768308HONI2p0IiR9zv2UL.png)
The value of `cot18^(@)(cot72^(@)cos^(2)22^(@)+(1)/(tan72^(@)sec^(2)68^(@)))` is - Sarthaks eConnect | Largest Online Education Community
![Express each of the following in terms of angles between 0° and 45°. (i) sin 89° + tan 89° (ii) cosec 68° + cot 68° (iii) cos 74° + sec 83° - om8txg11 Express each of the following in terms of angles between 0° and 45°. (i) sin 89° + tan 89° (ii) cosec 68° + cot 68° (iii) cos 74° + sec 83° - om8txg11](https://images.topperlearning.com/topper/question_uploads/ICSE_X_Ch23_ComplementaryangleinTrigonometry_files/20150107181503_image006.gif)
Express each of the following in terms of angles between 0° and 45°. (i) sin 89° + tan 89° (ii) cosec 68° + cot 68° (iii) cos 74° + sec 83° - om8txg11
![A = `tan 6@ tan 42^@ and B = cot 66@ cot 78@`, then (B) A = 1/3B(C) A = B(A) A = 2B(D) 3A = - YouTube A = `tan 6@ tan 42^@ and B = cot 66@ cot 78@`, then (B) A = 1/3B(C) A = B(A) A = 2B(D) 3A = - YouTube](https://i.ytimg.com/vi/EbSWjIkpJ7A/maxresdefault.jpg)
A = `tan 6@ tan 42^@ and B = cot 66@ cot 78@`, then (B) A = 1/3B(C) A = B(A) A = 2B(D) 3A = - YouTube
Evaluate the following: (2 sin 68/cos 22) -(2 cot 15°/5 tan 75) -(8 tan 45° tan 20° tan 40° tan 50° tan 70°)/5 - Sarthaks eConnect | Largest Online Education Community
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![2 sin 68^(@))/( cos 22^(@))-(2 cot 15^(@))/( 5 tan 75^(@))-(3 tan 45^(@) tan 20^(@) tan 40^(@)... - YouTube 2 sin 68^(@))/( cos 22^(@))-(2 cot 15^(@))/( 5 tan 75^(@))-(3 tan 45^(@) tan 20^(@) tan 40^(@)... - YouTube](https://i.ytimg.com/vi/pOxJI2LKp-k/maxresdefault.jpg)