Tan 3 tan 30 tan 35 tan 87 tan 55
Answers
Answered by
0
Answer:
1/√3.
Step-by-step explanation:
Tan 87 = tan (90 - 3) = Cot3
Tan55 = tan (90 - 35) = Cot35
Tan 3 tan 30 tan 35 tan 87 tan 55
= Tan3 tan 30 tan35 cot3cot35
= Tan3 * Tan 30* Tan35 * 1/Tan3 * 1/Tan35
= tan30
= 1/√3.
Answered by
0
Answer:
tan3 tan 87 tan 35 tan 55 tan 30
tan3 cot(90-3) tan 35 cot(90-35) tan 30
tan3 cot3 tan 35 cot 35 ×1/√3
1×1×1/√3
1/√3
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