If cosA +sins √2cosA
Show that cosA-SinA=√2sinA
Answers
Answered by
2
Answer:
Step-by-step explanation:
cosA +sinA= √2cosA
=> sinA= √2cosA- cosA
=> sinA = cosA(√2 -1)
Now multiplying both side by ( √2+1)
=>sinA(√2+1) = cosA(√2–1)(√2+1)
=>√2sinA + sinA=cosA(2–1)
=> cosA-sinA= √2sinA (Answer)
Similar questions