The value of : tan26∘cot64∘ equals :
1
0
-1
2
tan26∘cot64∘ = tan(90∘−64∘)cot64∘ =cot64∘cot64∘ =1 (∵tan(90∘−A)=cotA)
Evaluate : tan26∘cot64∘___
Evaluate
(I)
(II)
(III) cos 48° − sin 42°
(IV)cosec 31° − sec 59°