Math, asked by akilacps9833, 1 year ago

1) If tan A = √2 - 1 , show that sin A cos A = √2/4
2) Given ΔACB right angled at C in which AB = 29 units , BC = 21 units and ∠ABC = θ . Determine the values of:
(i) cos2θ +sin2θ (ii) cos2θ - sin2θ

Answers

Answered by toharini

0

Answer:

Step-by-step explanation:

Previous Question

Next Question

Similar questions

Computer Science, 7 months ago

Do to 1’s and 2’nd Complement of 69 .

Math, 7 months ago

19.If ∆ ABC ∆PQR, and AB=5cm, BC=3cm and AC=2.5 cm. What is the length of PR.

English, 7 months ago

Q5 B). There is an error in each of the following lines. Identify the error and replace it with the correct VERB form- (Any Five) [1x5=5m] Error Correction Animal cruelty can take many different form. a) ………. …………… It not only includes obvious and intentional act of violence, b) ………. …………… but it also include animals neglect or the failure to c) ………. …………… look after its welfare. In fact...

Math, 1 year ago

If the perimeter of the semi-circular shape is 144cm,find its radius(assume π=22/7)...

Math, 1 year ago

Prove that the points (4, 5) (7, 6) (4, 3) (1, 2) are the vertices of a parallelogram.

Geography, 1 year ago

Which of the following activities is done on the private landholdings? A) fodder collection B) grazing C) farming D) furlwood collection...

Math, 1 year ago

how to find length of a triangle when radius of incircle given...

Math, 1 year ago

how to find circumcenter of a circle with coordinates...