tan 5 degree tan 25 degree tan 30 degree tan 65 degree tan 85 degree? without using trigonometric table find the value
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tan5°tan25°tan30°tan65°tan85°
tan5°tan25°1/√3 . cot(90°-25°).cot(90°-5°)
tan5°tan25 .1/√3. 1/tan25. 1/tan5°
then the answer is 1/√3
tan5°tan25°1/√3 . cot(90°-25°).cot(90°-5°)
tan5°tan25 .1/√3. 1/tan25. 1/tan5°
then the answer is 1/√3
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