the value of tan10×tan15×tan75×tan80
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Tan10×tan15×tan75×tan80
=cot(90-10)×cot(90-15)×tan75×tan80
=cot80×cot75×tan75×tan80
=1/tan80× 1/tan75 ×tan75×tan80
tan80 Cancels by 1/tan80
tan75 cancels by 1/tan75
answer is 1.
if helped plz mark brainliest ans.
=cot(90-10)×cot(90-15)×tan75×tan80
=cot80×cot75×tan75×tan80
=1/tan80× 1/tan75 ×tan75×tan80
tan80 Cancels by 1/tan80
tan75 cancels by 1/tan75
answer is 1.
if helped plz mark brainliest ans.
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