Cosec^2 45° sec^2 30° sin^2 90° cos 60°=4/3
Answers
Answered by
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Explanation:
Given to prove,
cosec²45°.sec²30°.sin²90°.cos60°=4/3
consider LHS,
cosec²45°.sec²30°.sin²90°.cos60°
⇒(√2)²(2/√3)²(1)².(1/2)
⇒(2)(4/3)(1)(1/2)
⇒(2×4)/(3×2)
⇒(8/6)
⇒4/3=RHS
∴LHS =RHS
Hence proved
HOPE THIS WOULD BE HELPFUL FOR YOU
Answered by
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Answer:
LHS: cosec^2 45° x sec^2 30° × sin^2 90° x cos 60°
Explanation:
(√2)^2 × (2/√3)^2 ×(1)^2 × 1/2
2×(4/3)×1×(1/2)
(8/3)×(1/2)
= 4/3 = RHS
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