Question

plz try to say answer plz.

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Answer 1

Answer:

hey friend your answer is 1/2

I solved it myself, plz mark as brainliest

Answer 2

✴Question:

If 3 sec theta = 5 ,then find cos theta.

✴ Answer:

✔ The answer is 3/5.

Refer the attachment hope it helps you!

■ Introduction to trigonometry:

Trigonometry is a topic which is related to the right angled triangle which is of degree 90°.

One angle is right angled and other angle has some value which depends on the sum.

The figure 1 in the attachment shows the triangle where opposite, adjacent and hypotenuse are shown.

Important formulae is also been attached over there.

Hope this helps you ♡