how to solve it I need it urgently
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rikkin30:
thx
yeah , i got d ans tan 45 , i.e 1 only
thx bro's
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=tan5 * tan25 * tan 45 * tan65 *tan85
=cot85 * cot65 * tan45 * tan65 * tan 85
= 1 * 1 * tan45 = tan45
=cot85 * cot65 * tan45 * tan65 * tan 85
= 1 * 1 * tan45 = tan45
thx for helping
welcome bro
can you help me in other questions
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