if sin thita+cos thita=√2cos thita,(thita is not equal to 90°) then the value of tan thita is
(a)√2-1
(b)√2+1
(c)√2
(d) -√2
Answers
Answered by
4
Answer:
a) √2 - 1
Step-by-step explanation:
Sinθ + Cosθ = √2Cosθ
Divide by Cosθ on both sides.
=> SInθ/Cosθ + Cosθ/Cosθ = √2Cosθ/Cosθ.
=> Tanθ + 1 = √2
=> Tanθ = √2 - 1
Similar questions