1.

Iftan A=✓2-1show that sin A Cos A=✓2/4​

Answer»

ANSWER:

Step-by-step EXPLANATION:

taN∧2=(√2-1)∧2

SEC∧2-1=2+1-2√2

SEC∧2=3-2√2+1

SEC∧2=4-2√2

COS∧2=4+2√2

tan A × cos∧2A =sinA × cosA

(√2-1) × (4+2√2)

after solving,

we GET sinA × cosA=√2/4



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