Evaluate tan 23 tan 42 tan45 tan48 tan67. TRIGONOMETRY
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tan 23 tan 67 tan 48 tan 42 tan 45
tan(90-67) tan 67 tan(90-42) tan 42 tan 45
cot 67 tan 67 cot 42 tan 42 tan 45
1 * 1 * 1
( because cot Φ * tan Φ = 1 and tan 45 =1 )
HOPE THIS IS HELPFUL TO YOU
tan 23 tan 67 tan 48 tan 42 tan 45
tan(90-67) tan 67 tan(90-42) tan 42 tan 45
cot 67 tan 67 cot 42 tan 42 tan 45
1 * 1 * 1
( because cot Φ * tan Φ = 1 and tan 45 =1 )
HOPE THIS IS HELPFUL TO YOU
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