please answer the 14 and 16 questions
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sin 68 degree = cos ( 90-68)= sin 22 degree
cot 15 degree is equal to tan 90 digree - 15 = tan 75 degree
by this process u can do
tan 20 degree is equal to cot70 degree
tan 40 degree is equal to cot 50 degree
and tan 45 degree is equal to 1
put this value in your question no.16
then u obtain that
2 - 2/5-3/5= 1
cot 15 degree is equal to tan 90 digree - 15 = tan 75 degree
by this process u can do
tan 20 degree is equal to cot70 degree
tan 40 degree is equal to cot 50 degree
and tan 45 degree is equal to 1
put this value in your question no.16
then u obtain that
2 - 2/5-3/5= 1
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You answer here in photo see I explane
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