Answer the following questions.
1. Find the value of (SecA + TanA)(1 - SinA) in terms of cosA.
Answers
Answered by
0
Answer:
cosA
Step-by-step explanation:
The step-by-step solution is given in the following image.
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Answered by
0
Answer:
We need to find value of (secA+tanA)(1−sinA)
Putting the values of secA and tanA as
secA=
cosA
1
tanA=
cosA
sinA
(
cosA
1
+
cosA
sinA
)(1−sinA)
=
cosA
1+sinA
(1−sinA)
=
cosA
1−sin
2
A
=
cosA
cos
2
A
.... (As 1−sin
2
A=cos
2
A)
=cosA
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